test for npm script

.github/workflows/npm.yml

@@ -0,0 +1,30 @@
+name: Test
+
+on:
+  schedule:
+    - cron: '0 18 * * *'
+  push:
+    branches:
+      - main
+
+jobs:
+  install:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 21.x
+          cache: 'npm'
+      - name: Open simple example
+        run: cd examples/simple
+      - name: Change package version for editor
+        run: jq '.devDependencies.@magic-circle/editor = "*"' package.json > "$tmp" && mv "$tmp" package.json
+      - name: Change package version for client
+        run: jq '.dependencies.@magic-circle/client = "*"' package.json > "$tmp" && mv "$tmp" package.json
+      - name: Setup repo
+        run: npm ci
+      - name: Run Magic Circle
+        run: npm run build:editor