chore: add npm publish workflow

Signed-off-by: Jay Zeng <jayzeng@users.noreply.github.com>

Author: jayzeng

.github/workflows/publish-npm.yml

@@ -0,0 +1,25 @@
+name: Publish to npm
+
+on:
+  push:
+    tags:
+      - "v*"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+          registry-url: "https://registry.npmjs.org"
+      - run: npm ci
+      - run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}