added build pipeline for nodejs

.gitea/workflows/build-nodejs.yaml

@@ -0,0 +1,16 @@
+name: Nodejs build workflow
+on:
+  workflow_call:
+jobs:
+  build:
+    name: Build nodejs distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.x'
+      - run: npm ci
+      - run: npm run build --if-present
+      - run: npm test --if-present