Add CodeQL security analysis workflow

Author: aganita

.github/workflows/codeql.yml

@@ -0,0 +1,40 @@
+name: "CodeQL Sec Analysis"
+
+on:
+  push:
+    branches: [ "master" ]
+  schedule:
+    - cron: '0 2 * * 1'  # Weekly on Monday at 2 AM
+
+jobs:
+  analyze:
+    name: Analyze (${ matrix.language })
+
+    permissions:
+      # required for all workflows
+      security-events: write
+
+      # required to fetch internal or private CodeQL packs
+      packages: read
+
+      # only required for workflows in private repositories
+      actions: read
+      contents: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - language: javascript-typescript
+          build-mode: none
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+      with:
+        languages: ${ matrix.language }
+        build-mode: ${ matrix.build-mode }