chore(repo-health): add CodeQL workflow

Author: however-yir

.github/workflows/codeql.yml

@@ -0,0 +1,26 @@
+name: CodeQL
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+  schedule:
+    - cron: '20 2 * * 1'
+
+jobs:
+  analyze:
+    name: Analyze (javascript-typescript)
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+    steps:
+      - uses: actions/checkout@v4
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: javascript-typescript
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3