ci: add workflow for release

.github/workflows/ci.yml

@@ -0,0 +1,44 @@
+name: Release
+on:
+  workflow_dispatch:
+    inputs:
+      tag_name:
+        description: 'Tag name for release'
+        required: false
+        default: test
+  push:
+    tags:
+      - v[0-9]+.[0-9]+.[0-9]+
+
+jobs:
+  build_vsix:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+      - run: npm ci
+
+      - name: Setup Environment
+        run: node -e "console.log('PKG_VERSION=' + require('./package.json').version + '\nPKG_NAME=' + require('./package.json').name + '-' + require('./package.json').version)" >> $GITHUB_ENV
+
+      - name: Verify versions
+        run: node -e "if ('refs/tags/v' + '${{ env.PKG_VERSION }}' !== '${{ github.ref }}') { console.log('::error' + 'Version Mismatch. refs/tags/v' + '${{ env.PKG_VERSION }}', '${{ github.ref }}'); throw Error('Version Mismatch')} "
+
+      - name: Pack vsix
+        shell: bash
+        run: |
+          npm install -g @vscode/vsce
+          vsce package -o ${{ env.PKG_NAME }}.vsix
+
+      - name: Create GitHub release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          generate_release_notes: true
+          files: ${{ env.PKG_NAME }}.vsix