Issue #251: add github action to test for dependency errors

.github/workflows/test-npm-install.yaml

@@ -0,0 +1,25 @@
+# test that the NPM package can be installed properly
+name: Test NPM Install
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch: # allows manual triggering
+
+jobs:
+  test-install:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '23'
+
+      - name: Install dependencies
+        run: npm install # --omit=dev