Publish package on marketplace on tags

.github/workflows/build-extension.yml

@@ -1,29 +1,40 @@
-name: Build Extension
-
+name: Build and Publish Extension
 on:
   push:
     branches:
       - main
+    tags:
+      - 'v*'
 
 jobs:
   build:
-    name: Build
+    name: Build and Publish
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
       - uses: astral-sh/setup-uv@v3
-      - run: cd client && npm ci    
-      - name: compile and create vsix
+
+      - name: Install Dependencies
+        run: cd client && npm ci
+
+      - name: Compile and Create VSIX
         run: |
           cd client
           npm install
           npm install -g vsce
           npm run compile 
           npm run webpack 
           npm run vscepack
-      - name: upload vsix as artifact
+      
+      - name: Upload VSIX as Artifact
         uses: actions/upload-artifact@v4
         with:
           name: extension-package
-          path: client/*.vsix
+          path: client/*.vsix
+
+      - name: Publish to VS Code Marketplace
+        if: startsWith(github.ref, 'refs/tags/')
+        run: |
+          cd client
+          vsce publish -p ${{ secrets.VSCODE_MARKETPLACE_PRIVATE_ACCESS_TOKEN }}