Add security workflow for CodeQL analysis and dependency audit

Author: zombocoder

.github/workflows/security.yml

@@ -0,0 +1,36 @@
+name: Security
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  actions: read
+  contents: read
+  security-events: write
+
+jobs:
+  codeql:
+    name: CodeQL Analysis
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: actions
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3
+
+  cargo-audit:
+    name: Dependency Audit
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Install cargo-audit
+        run: cargo install cargo-audit
+      - name: Run cargo audit
+        run: cargo audit