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/configuring-microsegmentation-for-zero-trust/references/api-reference.md

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+# Microsegmentation for Zero Trust — API Reference
+
+## Libraries
+
+| Library | Install | Purpose |
+|---------|---------|---------|
+| boto3 | `pip install boto3` | AWS security group audit |
+| requests | `pip install requests` | Illumio / Guardicore API client |
+
+## Key boto3 EC2 Methods
+
+| Method | Description |
+|--------|-------------|
+| `describe_security_groups()` | List SGs with inbound/outbound rules |
+| `authorize_security_group_ingress()` | Add inbound rule |
+| `revoke_security_group_ingress()` | Remove inbound rule |
+
+## Illumio PCE API Endpoints
+
+| Method | Endpoint | Description |
+|--------|----------|-------------|
+| GET | `/api/v2/orgs/{id}/workloads` | List managed workloads |
+| GET | `/api/v2/orgs/{id}/sec_policy/draft/rule_sets` | List rule sets |
+| PUT | `/api/v2/orgs/{id}/workloads/{id}` | Update workload enforcement mode |
+
+## Segmentation Enforcement Modes
+
+| Mode | Description |
+|------|-------------|
+| Visibility Only | Monitor traffic without blocking |
+| Selective | Block specific flows, allow rest |
+| Full | Deny all, allow by policy (zero trust) |
+
+## External References
+
+- [Illumio API Guide](https://docs.illumio.com/core/23.5/API-Reference/index.html)
+- [NIST SP 800-207 Zero Trust Architecture](https://csrc.nist.gov/publications/detail/sp/800-207/final)
+- [AWS Security Groups Best Practices](https://docs.aws.amazon.com/vpc/latest/userguide/security-group-rules.html)