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-runtime-security-with-tetragon/references/api-reference.md

@@ -0,0 +1,45 @@
+# API Reference: Cilium Tetragon Runtime Security
+
+## TracingPolicy CRD
+
+```yaml
+apiVersion: cilium.io/v1alpha1
+kind: TracingPolicy
+metadata:
+  name: monitor-sensitive-files
+spec:
+  kprobes:
+    - call: fd_install
+      args:
+        - index: 1
+          type: file
+      selectors:
+        - matchArgs:
+            - index: 1
+              operator: Prefix
+              values: ["/etc/shadow", "/etc/passwd"]
+```
+
+## Tetra CLI Commands
+
+| Command | Description |
+|---------|-------------|
+| `tetra status` | Tetragon health |
+| `tetra getevents` | Stream events |
+| `tetra tracingpolicy list` | List policies |
+
+## Event Types
+
+| Type | Description |
+|------|-------------|
+| `process_exec` | Process execution |
+| `process_exit` | Process termination |
+| `process_kprobe` | Kernel probe trigger |
+
+## Key Libraries
+
+| Library | Use |
+|---------|-----|
+| `kubernetes` | K8s API client |
+| `subprocess` | kubectl/tetra CLI |
+| `grpc` | Tetragon gRPC API |