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-saml-sso-with-okta/references/api-reference.md

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+# API Reference: Implementing SAML SSO with Okta
+
+## Okta Admin API Endpoints
+
+| Endpoint | Method | Purpose |
+|----------|--------|---------|
+| `/api/v1/apps` | GET | List applications (filter by SAML) |
+| `/api/v1/apps/{id}/sso/saml/metadata` | GET | Retrieve SAML metadata XML |
+| `/api/v1/apps/{id}/users` | GET | List user assignments |
+| `/api/v1/apps/{id}/groups` | GET | List group assignments |
+| `/api/v1/policies?type=OKTA_SIGN_ON` | GET | Check MFA policies |
+
+## SAML Security Checks
+
+| Check | Severity | Description |
+|-------|----------|-------------|
+| SHA-256 signature | High | SignatureMethod must not use SHA-1 |
+| Assertion encryption | Medium | Encrypt assertions in transit |
+| AudienceRestriction | High | Must limit assertion audience |
+| Certificate expiry | Critical | Monitor signing cert expiration |
+| SingleLogoutService | Medium | SLO endpoint should be configured |
+| MFA enforcement | High | Require MFA for SAML authentication |
+
+## SAML XML Namespaces
+
+| Prefix | URI |
+|--------|-----|
+| md | `urn:oasis:names:tc:SAML:2.0:metadata` |
+| ds | `http://www.w3.org/2000/09/xmldsig#` |
+| saml | `urn:oasis:names:tc:SAML:2.0:assertion` |
+
+## Python Libraries
+
+| Library | Version | Purpose |
+|---------|---------|---------|
+| `requests` | >=2.28 | Okta API communication |
+| `xml.etree.ElementTree` | stdlib | SAML metadata parsing |
+| `ssl` | stdlib | Certificate expiry checking |
+
+## References
+
+- Okta SAML Docs: https://developer.okta.com/docs/concepts/saml/
+- Okta API: https://developer.okta.com/docs/reference/api/apps/
+- OWASP SAML Cheat Sheet: https://cheatsheetseries.owasp.org/cheatsheets/SAML_Security_Cheat_Sheet.html