Add security badges and CodeQL workflow

Add Security, Dependabot, and CodeQL badges to README.
Add CodeQL analysis workflow running on push, PR, and weekly schedule.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: aksOps

.github/workflows/codeql.yml

@@ -0,0 +1,26 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: "0 6 * * 1"
+
+permissions:
+  security-events: write
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: python
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3

README.md

@@ -16,6 +16,9 @@
   <a href="https://github.com/RandomCodeSpace/code-iq/pulls"><img src="https://img.shields.io/github/issues-pr/RandomCodeSpace/code-iq?style=flat-square&logo=github&label=PRs" alt="Pull Requests"></a>
   <a href="https://github.com/RandomCodeSpace/code-iq/commits/main"><img src="https://img.shields.io/github/last-commit/RandomCodeSpace/code-iq?style=flat-square&logo=github&label=Last%20Commit" alt="Last Commit"></a>
   <a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/github/repo-size/RandomCodeSpace/code-iq?style=flat-square&logo=github&label=Repo%20Size" alt="Repo Size"></a>
+  <a href="https://github.com/RandomCodeSpace/code-iq/security"><img src="https://img.shields.io/badge/security-audited-purple?style=flat-square&logo=shieldsdotio&logoColor=white" alt="Security"></a>
+  <a href="https://github.com/RandomCodeSpace/code-iq/security/dependabot"><img src="https://img.shields.io/github/dependabot/RandomCodeSpace/code-iq?style=flat-square&logo=dependabot&logoColor=white&label=Dependabot" alt="Dependabot"></a>
+  <a href="https://github.com/RandomCodeSpace/code-iq/security/code-scanning"><img src="https://img.shields.io/github/actions/workflow/status/RandomCodeSpace/code-iq/codeql.yml?branch=main&style=flat-square&logo=github&label=CodeQL" alt="CodeQL"></a>
   <!-- DYNAMIC:detectors --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/detectors-58-brightgreen?style=flat-square&logo=codefactor&logoColor=white" alt="58 Detectors"></a><!-- /DYNAMIC:detectors -->
   <!-- DYNAMIC:languages --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/languages-33-blue?style=flat-square&logo=stackblitz&logoColor=white" alt="33 Languages"></a><!-- /DYNAMIC:languages -->
   <!-- DYNAMIC:tests --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/tests-113%20passed-brightgreen?style=flat-square&logo=pytest&logoColor=white" alt="113 passed Tests"></a><!-- /DYNAMIC:tests -->