Update Node.js version and add test build step

.github/workflows/npm-run-dev.yml

@@ -3,23 +3,27 @@ name: Test npm run dev
 on:
   push:
     branches:
-      - main 
+      - main
+  workflow_dispatch:
 
 jobs:
   test:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Checkout code
-      uses: actions/checkout@v2
+      - name: Checkout code
+        uses: actions/checkout@v2
 
-    - name: Set up Node.js
-      uses: actions/setup-node@v2
-      with:
-        node-version: '14'
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: "16"
 
-    - name: Install dependencies
-      run: npm install
+      - name: Install dependencies
+        run: npm install
 
-    - name: Run npm run dev
-      run: npm run dev
+      - name: Run npm run dev
+        run: npm run dev
+
+      - name: Test build
+        run: npm run build