Add Gitea Actions CI workflow for packaging extension

.gitea/workflows/build.yaml

@@ -0,0 +1,26 @@
+name: Build & Package Extension
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Package Extension
+        run: |
+          mkdir -p dist
+          zip -r dist/gq-to-org-redirector.zip manifest.json rules.json README.md
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: gq-to-org-redirector
+          path: dist/gq-to-org-redirector.zip