Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: Release
+
+on: push
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - run: |
+          cd pkg
+          for p in */; do
+            cd "$p"
+            zip -r "${p%/}.zip" "${p%/}" -x "*.DS_Store" && mv "${p%/}.zip" ../
+            cd ..
+          done
+          cd ..
+
+      - name: Upload style to release
+        uses: svenstaro/upload-release-action@v2
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file_glob: true
+          file: pkg/*.zip

.gitignore

@@ -102,3 +102,5 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+
+*.zip