Add a workflow for the CI

Author: LoveDuckie

.github/workflows/ci.yaml

@@ -0,0 +1,45 @@
+# .github/workflows/dotnet.yml
+name: .NET CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: '7.x'  # Specify the version or use 'latest' for the most recent
+
+    - name: Install dependencies
+      run: dotnet restore
+
+    - name: Lint the code
+      run: dotnet format --verify-no-changes
+      continue-on-error: true
+
+    - name: Build the project
+      run: dotnet build --no-restore --configuration Release
+
+    - name: Run unit tests
+      run: dotnet test --no-build --configuration Release --verbosity normal
+
+    - name: Package the project
+      run: dotnet pack --no-build --configuration Release -o ./artifacts
+
+    - name: Publish package to GitHub Packages
+      if: github.ref == 'refs/heads/main' && success()  # Publish only on successful builds of the main branch
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: dotnet nuget push ./artifacts/*.nupkg --source "github"