🔒 Add CodeQL Security Scanning

✅ CodeQL Workflow:
- Automated JavaScript/TypeScript analysis
- Runs on push/PR to production branch
- Weekly scheduled scans
- Security events reporting

🔧 Features:
- Code vulnerability detection
- Dependency security scanning
- Integration with GitHub Security tab
- Professional security posture

🎯 Combined with existing Trivy scanning for comprehensive security coverage

.github/workflows/codeql.yml

@@ -0,0 +1,46 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ "production" ]
+  pull_request:
+    branches: [ "production" ]
+  schedule:
+    - cron: '0 0 * * 0'  # Weekly scan
+
+jobs:
+  analyze:
+    name: 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@v4
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+      with:
+        languages: ${{ matrix.language }}
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3
+      with:
+        category: "/language:${{matrix.language}}"