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/building-devsecops-pipeline-with-gitlab-ci/references/api-reference.md

@@ -0,0 +1,56 @@
+# API Reference: GitLab CI DevSecOps Pipeline
+
+## GitLab Security Templates
+| Template | Stage |
+|----------|-------|
+| `Security/SAST.gitlab-ci.yml` | Static analysis |
+| `Security/DAST.gitlab-ci.yml` | Dynamic testing |
+| `Security/Dependency-Scanning.gitlab-ci.yml` | Dependency audit |
+| `Security/Container-Scanning.gitlab-ci.yml` | Container scan |
+| `Security/Secret-Detection.gitlab-ci.yml` | Secret detection |
+| `Security/IaC-Scanning.gitlab-ci.yml` | IaC security |
+
+## .gitlab-ci.yml Structure
+```yaml
+include:
+  - template: Security/SAST.gitlab-ci.yml
+  - template: Security/Secret-Detection.gitlab-ci.yml
+stages:
+  - build
+  - test
+  - security
+  - deploy
+variables:
+  SECURE_LOG_LEVEL: info
+```
+
+## GitLab CI Lint API
+```
+POST /api/v4/projects/:id/ci/lint
+PRIVATE-TOKEN: your-token
+Body: {"content": "yaml-string"}
+```
+
+## Security Variables
+| Variable | Description |
+|----------|-------------|
+| `SAST_DEFAULT_ANALYZERS` | Comma-separated analyzer list |
+| `SAST_EXCLUDED_ANALYZERS` | Analyzers to skip |
+| `CS_IMAGE` | Container image to scan |
+| `DAST_WEBSITE` | Target URL for DAST |
+| `SECRET_DETECTION_HISTORIC_SCAN` | Scan full history |
+
+## Vulnerability Report API
+```
+GET /api/v4/projects/:id/vulnerability_findings
+```
+
+## Security Scanning Tools
+| Tool | Type | Language |
+|------|------|----------|
+| Semgrep | SAST | Multi-language |
+| Bandit | SAST | Python |
+| Trivy | Container | Container images |
+| Gitleaks | Secret | Git history |
+| KICS | IaC | Terraform/CloudFormation |
+| ZAP | DAST | Web applications |