Add initial project files

.editorconfig

@@ -0,0 +1,26 @@
+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+# JSON-Files
+[*.json]
+indent_style = tab
+
+# YAML-Files
+[*.{yaml,yml}]
+indent_size = 2
+
+# NEON-Files
+[*.neon]
+indent_size = 2
+indent_style = tab

.gitattributes

@@ -0,0 +1,19 @@
+*                       text=auto
+/.github                export-ignore
+/Resources/Private/Libs export-ignore
+/Tests                  export-ignore
+/.editorconfig          export-ignore
+/.gitattributes         export-ignore
+/.gitignore             export-ignore
+/.php-cs-fixer.php      export-ignore
+/CODE_OF_CONDUCT.md     export-ignore
+/codecov.yml            export-ignore
+/CODEOWNERS             export-ignore
+/composer.lock          export-ignore
+/ext_localconf.php      export-ignore
+/packaging_exclude.php  export-ignore
+/phpstan.neon           export-ignore
+/phpstan-baseline.neon  export-ignore
+/phpunit.coverage.xml   export-ignore
+/phpunit.xml            export-ignore
+/rector.php             export-ignore

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,78 @@
+name: Bug report
+description: Create a report to help improve the extension.
+title: "[BUG]"
+labels:
+  - bug
+assignees:
+  - eliashaeussler
+body:
+  - type: input
+    id: typo3-version
+    attributes:
+      label: TYPO3 version
+      description: What TYPO3 version are you using?
+      placeholder: 'e.g. 11.5.23'
+    validations:
+      required: true
+  - type: input
+    id: php-version
+    attributes:
+      label: PHP version
+      description: What PHP version are you using?
+      placeholder: 'e.g. 8.1.14'
+    validations:
+      required: true
+  - type: input
+    id: extension-version
+    attributes:
+      label: Extension version
+      description: What version of EXT:solver are you using?
+      placeholder: 'e.g. 0.1.0'
+    validations:
+      required: true
+  - type: checkboxes
+    id: composer-mode
+    attributes:
+      label: Composer mode
+      description: Are you running TYPO3 in composer mode?
+      options:
+        - label: I'm running TYPO3 in composer mode.
+  - type: input
+    id: operating-system
+    attributes:
+      label: Operating system
+      description: What operating system are you using?
+      placeholder: 'e.g. macOS 11.4'
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Current behavior
+      description: A clear and concise description of what the bug is.
+  - type: textarea
+    attributes:
+      label: Expected behavior
+      description: A clear and concise description of what you expected to happen.
+  - type: textarea
+    attributes:
+      label: Steps to reproduce
+      description: If possible, describe steps to reproduce the behavior.
+      placeholder: |
+        1. Go to '...'
+        2. Click on '....'
+        3. Scroll down to '....'
+        4. See error
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context about the problem here.
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: >
+        By submitting this issue, you agree to follow our
+        [Code of Conduct](https://github.com/eliashaeussler/typo3-solver/blob/main/CODE_OF_CONDUCT.md).
+      options:
+        - label: I agree to follow this project's Code of Conduct.
+          required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,41 @@
+name: Feature request
+description: Suggest an idea for this project.
+title: "[FEATURE]"
+labels:
+  - enhancement
+assignees:
+  - eliashaeussler
+body:
+  - type: textarea
+    attributes:
+      label: Is your feature request related to a problem?
+      description: A clear and concise description of what the problem is.
+      placeholder: I'm always frustrated when [...]
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Describe the solution you'd like
+      description: A clear and concise description of what you want to happen.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Describe alternatives you've considered
+      description: >
+        A clear and concise description of any alternative solutions or features
+        you've considered.
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context or screenshots about the feature request here.
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: >
+        By submitting this issue, you agree to follow our
+        [Code of Conduct](https://github.com/eliashaeussler/typo3-solver/blob/main/CODE_OF_CONDUCT.md).
+      options:
+        - label: I agree to follow this project's Code of Conduct.
+          required: true

.github/dependabot.yml

@@ -0,0 +1,34 @@
+version: 2
+
+# Configuration: https://docs.github.com/en/code-security/supply-chain-security/keeping-your-dependencies-updated-automatically/configuration-options-for-dependency-updates
+updates:
+  - package-ecosystem: github-actions
+    directory: '/'
+    schedule:
+      interval: daily
+    commit-message:
+      prefix: '[TASK]'
+    labels:
+      - dependencies
+    open-pull-requests-limit: 10
+
+  - package-ecosystem: composer
+    directory: '/'
+    schedule:
+      interval: daily
+    commit-message:
+      prefix: '[TASK]'
+    labels:
+      - dependencies
+    open-pull-requests-limit: 10
+
+  - package-ecosystem: composer
+    directory: 'Resources/Private/Libs/Build'
+    schedule:
+      interval: daily
+    commit-message:
+      prefix: '[TASK]'
+    labels:
+      - dependencies
+    open-pull-requests-limit: 10
+    versioning-strategy: increase-if-necessary

.github/release.yml

@@ -0,0 +1,31 @@
+changelog:
+  exclude:
+    labels:
+      - duplicate
+      - 'good first issue'
+      - 'help wanted'
+      - invalid
+      - question
+      - wontfix
+  categories:
+    - title: 📖 Documentation
+      labels:
+        - documentation
+    - title: ⚡ Breaking
+      labels:
+        - breaking
+    - title: 🚀 Improved
+      labels:
+        - enhancement
+    - title: 🚑 Fixed
+      labels:
+        - bug
+    - title: ⚙️ Dependencies
+      labels:
+        - dependencies
+    - title: 👷 Changed
+      labels:
+        - maintenance
+    - title: Other changes
+      labels:
+        - "*"

.github/workflows/auto-merge.yaml

@@ -0,0 +1,21 @@
+name: Dependabot auto-merge
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  dependabot-auto-merge:
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fetch metadata
+        id: dependabot-metadata
+        uses: dependabot/fetch-metadata@v1
+        with:
+          github-token: ${{ secrets.MERGE_TOKEN }}
+      - name: Comment with merge instructions
+        if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' }}
+        uses: mshick/add-pr-comment@v2
+        with:
+          repo-token: ${{ secrets.MERGE_TOKEN }}
+          message: '@dependabot merge'

.github/workflows/cgl.yaml

@@ -0,0 +1,59 @@
+name: CGL
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  cgl:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      # Prepare environment
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.1
+          # @todo switch back to composer-unused 0.8 once https://github.com/composer-unused/composer-unused/issues/444 is resolved
+          tools: composer:v2, composer-require-checker, composer-unused:0.7, cs2pr
+          coverage: none
+
+      # Validation
+      - name: Validate composer.json
+        run: composer validate
+
+      # Install dependencies
+      - name: Install Composer dependencies
+        run: composer require --no-progress typo3/cms-core:"^11.5 || ^12.2"
+
+      # Check Composer dependencies
+      - name: Check dependencies
+        run: composer-require-checker check
+      - name: Reset composer.json
+        run: git checkout composer.json composer.lock
+      - name: Re-install Composer dependencies
+        uses: ramsey/composer-install@v2
+      - name: Check for unused dependencies
+        run: composer-unused
+
+      # Linting
+      - name: Lint composer.json
+        run: composer lint:composer -- --dry-run
+      - name: Lint Editorconfig
+        run: .build/bin/ec
+      - name: Lint PHP
+        run: composer lint:php -- --dry-run --format=checkstyle | cs2pr
+
+      # SCA
+      - name: SCA PHP
+        run: composer sca:php -- --error-format github
+
+      # Migration
+      - name: Rector migration
+        run: composer migration:rector -- --dry-run