added stub npmjs workflow for publishing

Author: mariotaku

.github/workflows/npmjs.yml

@@ -0,0 +1,16 @@
+name: Publish to NPM
+on:
+  release:
+    types: [ published ]
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: 22
+