ci: add CodeQL security scanning workflow

.github/workflows/codeql.yml

@@ -0,0 +1,53 @@
+name: CodeQL
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+  schedule:
+    - cron: "0 0 * * 0"
+
+permissions:
+  contents: read
+  security-events: write
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ["javascript-typescript"]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@c03c7286b23a2c4c2a10abb7eed1512b7580b4c5 # v3.34.1
+        with:
+          languages: ${{ matrix.language }}
+          queries: security-extended
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@b307475762933b98ed359c036b0e51f26b63b74b # v5.0.0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
+        with:
+          node-version-file: .nvmrc
+          cache: "pnpm"
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: pnpm build
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@c03c7286b23a2c4c2a10abb7eed1512b7580b4c5 # v3.34.1
+        with:
+          category: /language:javascript-typescript