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-gcp-binary-authorization/references/api-reference.md

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+# API Reference: Implementing GCP Binary Authorization
+
+## gcloud CLI Commands
+
+```bash
+# Enable APIs
+gcloud services enable binaryauthorization.googleapis.com containeranalysis.googleapis.com
+
+# Enable on GKE cluster
+gcloud container clusters update CLUSTER --enable-binauthz --zone ZONE
+
+# Export policy
+gcloud container binauthz policy export --project PROJECT_ID
+
+# Import policy
+gcloud container binauthz policy import policy.yaml
+
+# Create attestor
+gcloud container binauthz attestors create ATTESTOR_NAME \
+  --attestation-authority-note=NOTE_ID \
+  --attestation-authority-note-project=PROJECT_ID
+
+# Create attestation
+gcloud container binauthz attestations sign-and-create \
+  --artifact-url="gcr.io/PROJECT/IMAGE@DIGEST" \
+  --attestor="ATTESTOR" --attestor-project="PROJECT" \
+  --keyversion-project=PROJECT --keyversion-location=global \
+  --keyversion-keyring=KEYRING --keyversion-key=KEY --keyversion=1
+```
+
+## Policy Structure
+
+| Field | Values | Description |
+|-------|--------|-------------|
+| `evaluationMode` | ALWAYS_ALLOW, ALWAYS_DENY, REQUIRE_ATTESTATION | How images are evaluated |
+| `enforcementMode` | ENFORCED_BLOCK_AND_AUDIT_LOG, DRYRUN_AUDIT_LOG_ONLY | Block or audit-only |
+| `globalPolicyEvaluationMode` | ENABLE, DISABLE | Google-maintained system policy |
+
+## Break-Glass Annotation
+
+```yaml
+metadata:
+  annotations:
+    alpha.image-policy.k8s.io/break-glass: "Emergency - INC-12345"
+```
+
+## Cloud Logging Filter (CV Violations)
+
+```
+resource.type="k8s_cluster"
+logName="projects/PROJECT/logs/binaryauthorization.googleapis.com%2Fcontinuous_validation"
+```
+
+### References
+
+- GCP Binary Authorization: https://cloud.google.com/binary-authorization/docs
+- Container Analysis API: https://cloud.google.com/container-analysis/docs
+- SLSA Framework: https://slsa.dev