add git workflow

.github/workflows/publish-types.yaml

@@ -0,0 +1,26 @@
+# Example from https://docs.github.com/en/actions/use-cases-and-examples/publishing-packages/publishing-nodejs-packages#publishing-packages-to-the-npm-registry
+
+name: Publish Types Package to npmjs
+
+on:
+  push:
+    tags:
+      - "types/*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      # Setup .npmrc file to publish to npm
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "20.x"
+          registry-url: "https://registry.npmjs.org"
+      # no npm ci as no dependencies exist
+      - run: npm publish --provenance --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}