feat: add CI workflow for build and versioning

.gitea/workflows/dev.yml

@@ -0,0 +1,61 @@
+name: CI
+
+on:
+  push:
+    branches: [dev]
+  pull_request:
+    branches: [dev]
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+
+      - run: npm install --only=dev
+
+      - name: web-ext lint
+        run: npx web-ext lint -v
+
+      - name: Increment Version and Commit
+        if: github.event_name == 'push' # Only push back on actual merges/pushes, not PRs
+        run: |
+          # 1. Increment logic
+          VERSION=$(jq -r '.version' manifest.json)
+          BASE=$(echo $VERSION | cut -d. -f1-2)
+          PATCH=$(echo $VERSION | cut -d. -f3)
+          NEW_VERSION="$BASE.$((PATCH + 1))"
+          
+          # Update manifest.json version
+          jq ".version = \"$NEW_VERSION\"" manifest.json > temp.manifest.json && mv temp.manifest.json manifest.json
+          
+          # Keep package.json version in sync, if present
+          if [ -f package.json ]; then
+            jq ".version = \"$NEW_VERSION\"" package.json > temp.package.json && mv temp.package.json package.json
+          fi
+          
+          # 2. Git Config
+          git config --local user.email "space@reversed.dev"
+          git config --local user.name "space"
+          
+          # 3. Commit (push will be done after publish)
+          git add manifest.json package.json
+          git commit -m "chore: bump version to $NEW_VERSION [skip ci]"
+
+      - name: web-ext build
+        run: npx web-ext build -s . -a dist --overwrite-dest
+        
+      - name: Upload build artifact
+        # v4+ not supported on Gitea Actions/Forgejo, use v3 for compatibility
+        uses: actions/upload-artifact@v3
+        with:
+          name: web-ext-build
+          path: dist/
+
+      - name: Push changes
+        if: github.event_name == 'push'
+        run: git push