Complete folder anatomy for all 649 cybersecurity skills + update LICENSE to Mahipal

- Add scripts/agent.py and references/api-reference.md to all remaining skills
- Update all 648 LICENSE files: copyright now reads 'Mahipal'
- Add implementing-security-monitoring-with-datadog (new skill with full anatomy)
- All 649 skills now have: SKILL.md, LICENSE, scripts/agent.py, references/api-reference.md

skills/implementing-github-advanced-security-for-code-scanning/references/api-reference.md

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+# API Reference: Implementing GitHub Advanced Security for Code Scanning
+
+## GitHub Code Scanning API
+
+```bash
+# List code scanning alerts
+gh api /repos/OWNER/REPO/code-scanning/alerts?state=open
+
+# Get specific alert
+gh api /repos/OWNER/REPO/code-scanning/alerts/ALERT_NUMBER
+
+# List analyses
+gh api /repos/OWNER/REPO/code-scanning/analyses
+
+# Upload SARIF
+gh api /repos/OWNER/REPO/code-scanning/sarifs -X POST \
+  -f commit_sha=SHA -f ref=refs/heads/main -f sarif=@results.sarif.gz
+```
+
+## Secret Scanning API
+
+```bash
+# List secret alerts
+gh api /repos/OWNER/REPO/secret-scanning/alerts?state=open
+
+# Update alert state
+gh api /repos/OWNER/REPO/secret-scanning/alerts/ALERT_NUMBER -X PATCH \
+  -f state=resolved -f resolution=revoked
+```
+
+## CodeQL Query Suites
+
+| Suite | Description | False Positive Rate |
+|-------|-------------|-------------------|
+| `default` | High-confidence security | Low |
+| `security-extended` | Broader security coverage | Medium |
+| `security-and-quality` | Security + code quality | Higher |
+
+## CodeQL Workflow (GitHub Actions)
+
+```yaml
+- uses: github/codeql-action/init@v3
+  with:
+    languages: ${{ matrix.language }}
+    queries: +security-extended
+- uses: github/codeql-action/autobuild@v3
+- uses: github/codeql-action/analyze@v3
+```
+
+## Supported Languages
+
+| Language | Build Required | Query Pack |
+|----------|---------------|-----------|
+| Python | No | codeql/python-queries |
+| JavaScript/TypeScript | No | codeql/javascript-queries |
+| Java/Kotlin | Yes | codeql/java-queries |
+| C/C++ | Yes | codeql/cpp-queries |
+| C# | Yes | codeql/csharp-queries |
+| Go | Yes | codeql/go-queries |
+| Ruby | No | codeql/ruby-queries |
+| Swift | Yes | codeql/swift-queries |
+
+### References
+
+- GHAS Docs: https://docs.github.com/en/code-security/code-scanning
+- CodeQL: https://codeql.github.com/docs/
+- CodeQL Queries: https://github.com/github/codeql
+- SARIF Spec: https://sarifweb.azurewebsites.net/