Add codeql

.github/workflows/codeql.yaml

@@ -0,0 +1,28 @@
+name: codeql
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+  schedule:
+    - cron: "0 21 * * 0"
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ["javascript"]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2