Add .github/workflows/npm-publish.yaml

Need to manually publish from Actions tab.

.github/workflows/npm-publish.yaml

@@ -0,0 +1,20 @@
+name: NPM Package Publish
+
+on:
+  workflow_dispatch:
+
+jobs:
+  publish-npm:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: oven-sh/setup-bun@v2
+      - run: bun install
+      - run: bun run build
+      - name: Publish to NPM
+        run: npm publish --provenance --access public
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}