Introduce the GitHub Advanced Security workflow

This can help to find security problems sooner.

.github/workflows/github_advanced_security.yml

@@ -0,0 +1,32 @@
+name: GitHub Advanced Security
+on: [push, pull_request]
+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@v2
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v1
+        with:
+          languages: ${{ matrix.language }}
+          queries: security-extended
+
+      - name: Autobuild CodeQL
+        uses: github/codeql-action/autobuild@v1
+
+      - name: Perform CodeQL analysis
+        uses: github/codeql-action/analyze@v1