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/scanning-container-images-with-grype/references/api-reference.md

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+# API Reference: Scanning Container Images with Grype
+
+## Grype CLI Commands
+
+| Command | Description |
+|---------|-------------|
+| `grype <image>` | Scan a container image |
+| `grype <image> -o json` | JSON output for parsing |
+| `grype <image> -o sarif` | SARIF output for GitHub Security |
+| `grype <image> --fail-on critical` | Exit non-zero on severity |
+| `grype <image> --only-fixed` | Show only fixable vulns |
+| `grype sbom:<file>` | Scan a pre-generated SBOM |
+| `grype dir:<path>` | Scan a local directory |
+| `grype db status` | Check vulnerability DB status |
+| `grype db update` | Update vulnerability database |
+
+## Input Sources
+
+| Source | Syntax | Description |
+|--------|--------|-------------|
+| Registry | `grype nginx:latest` | Pull from registry |
+| Docker daemon | `grype docker:myapp:1.0` | Local Docker image |
+| Archive | `grype docker-archive:image.tar` | Saved tar archive |
+| OCI dir | `grype oci-dir:path/` | OCI layout directory |
+| SBOM | `grype sbom:bom.json` | CycloneDX/SPDX SBOM |
+| Directory | `grype dir:/path/` | Filesystem scan |
+
+## Severity Levels
+
+| Level | CVSS Range | Action |
+|-------|-----------|--------|
+| Critical | 9.0 - 10.0 | Immediate remediation |
+| High | 7.0 - 8.9 | Fix before deployment |
+| Medium | 4.0 - 6.9 | Plan remediation |
+| Low | 0.1 - 3.9 | Accept or fix later |
+| Negligible | 0.0 | Informational |
+
+## Python Libraries
+
+| Library | Version | Purpose |
+|---------|---------|---------|
+| `subprocess` | stdlib | Execute grype CLI |
+| `json` | stdlib | Parse JSON output |
+| `pathlib` | stdlib | File path handling |
+
+## References
+
+- Grype GitHub: https://github.com/anchore/grype
+- Anchore Scan Action: https://github.com/anchore/scan-action
+- Syft SBOM Generator: https://github.com/anchore/syft