Add npm deploy GitHub workflow (#7184)

.github/workflows/npm-deploy.yml

@@ -0,0 +1,33 @@
+name: Npm Deploy
+
+on:
+  workflow_dispatch:
+    inputs:
+      release_tag:
+        description: 'Release tag to deploy (e.g., v1.42.2)'
+        required: true
+        default: 'v1.42.2'
+
+jobs:
+  npm-deploy:
+    name: npm-deploy
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v3.3.0
+        with:
+          ref: ${{ github.event.inputs.release_tag }}
+      # Setup .npmrc file to publish to npm
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '18.x'
+          registry-url: 'https://registry.npmjs.org'
+      - name: Run build script
+        run: |
+          cd build/web && printf "y" | ./build.sh release
+      - name: Deploy to npm
+        run: |
+          cd out/cmake-webgl-release/web/filament-js
+          npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+