Add codeql.yml (#30)

.github/workflows/codeql.yml

@@ -0,0 +1,33 @@
+name: 'CodeQL'
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      # required for all workflows
+      security-events: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup project
+        uses: ./.github/actions/setup-project
+        with:
+          DECRYPTION_SECRET: ${{ secrets.DECRYPTION_SECRET }}
+
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: javascript
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3