Add github workflow release.yml

Author: dbeley

.github/workflows/release.yml

@@ -0,0 +1,79 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  build-and-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Extract version from tag
+        id: version
+        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+
+      - name: Verify version matches manifest
+        run: |
+          MANIFEST_VERSION=$(grep -oP '"version":\s*"\K[^"]+' comping/manifest.json)
+          if [ "$MANIFEST_VERSION" != "${{ steps.version.outputs.VERSION }}" ]; then
+            echo "Error: Tag version (${{ steps.version.outputs.VERSION }}) doesn't match manifest.json version ($MANIFEST_VERSION)"
+            exit 1
+          fi
+
+      - name: Build extension
+        run: |
+          chmod +x build-extension.sh
+          ./build-extension.sh
+
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ steps.version.outputs.VERSION }}
+          body: |
+            ## Comping v${{ steps.version.outputs.VERSION }}
+
+            ### Installation
+
+            **Firefox:**
+            - Download `comping-${{ steps.version.outputs.VERSION }}.xpi`
+            - See [INSTALLATION.md](https://github.com/${{ github.repository }}/blob/main/INSTALLATION.md) for installation instructions
+
+            **Chrome:**
+            - Download `comping-${{ steps.version.outputs.VERSION }}-chrome.zip`
+            - Extract and load as unpacked extension in developer mode
+
+            ### What's Changed
+            <!-- Add your changelog here -->
+
+            **Full Changelog**: https://github.com/${{ github.repository }}/compare/v${{ steps.version.outputs.VERSION }}...HEAD
+          draft: false
+          prerelease: false
+
+      - name: Upload Firefox XPI
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./build/comping-${{ steps.version.outputs.VERSION }}.xpi
+          asset_name: comping-${{ steps.version.outputs.VERSION }}.xpi
+          asset_content_type: application/x-xpinstall
+
+      - name: Upload Chrome ZIP
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./build/comping-${{ steps.version.outputs.VERSION }}-chrome.zip
+          asset_name: comping-${{ steps.version.outputs.VERSION }}-chrome.zip
+          asset_content_type: application/zip