Add winget publish github action

Author: brl0

.github/workflows/winget.yml

@@ -0,0 +1,16 @@
+name: Publish to WinGet
+on:
+  release:
+    types: [released]
+jobs:
+  publish:
+    # Action can only be run on windows
+    runs-on: windows-latest
+    steps:
+      - uses: vedantmgoyal2009/winget-releaser@v2
+        # https://github.com/vedantmgoyal2009/winget-releaser
+        with:
+          identifier: ProjectJupyter.JupyterLab
+          release-tag: ${{ steps.package-info.outputs.version}}
+          version: ${{ steps.package-info.outputs.version}}
+          token: ${{ secrets.WINGET_TOKEN }}