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-disk-encryption-with-bitlocker/references/api-reference.md

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+# API Reference: Implementing Disk Encryption with BitLocker
+
+## manage-bde CLI
+
+```powershell
+# Check status
+manage-bde -status C:
+
+# Enable BitLocker with TPM
+manage-bde -on C: -RecoveryPassword -EncryptionMethod AES256
+
+# Backup recovery key to AD
+manage-bde -protectors -adbackup C: -ID {protector-id}
+
+# Lock/unlock
+manage-bde -lock D:
+manage-bde -unlock D: -RecoveryPassword 123456-...
+```
+
+## PowerShell BitLocker Cmdlets
+
+```powershell
+# Get BitLocker volume
+Get-BitLockerVolume -MountPoint "C:"
+
+# Enable with TPM + PIN
+Enable-BitLocker -MountPoint "C:" -EncryptionMethod Aes256 `
+  -TpmAndPinProtector -Pin (ConvertTo-SecureString "1234" -AsPlainText -Force)
+
+# Add recovery password
+Add-BitLockerKeyProtector -MountPoint "C:" -RecoveryPasswordProtector
+
+# Backup to AD
+Backup-BitLockerKeyProtector -MountPoint "C:" -KeyProtectorId $id
+```
+
+## Compliance Checks
+
+| Check | Severity | Requirement |
+|-------|----------|-------------|
+| BitLocker enabled | CRITICAL | All OS drives |
+| AES-256 encryption | MEDIUM | FIPS/enterprise |
+| TPM protector | HIGH | Hardware-backed |
+| Recovery key escrowed | HIGH | AD DS or Azure AD |
+| Full disk encrypted | MEDIUM | Not used-space only |
+
+## Microsoft Graph API (Intune)
+
+```python
+import requests
+headers = {"Authorization": "Bearer <token>"}
+resp = requests.get(
+    "https://graph.microsoft.com/v1.0/deviceManagement/managedDevices"
+    "?$select=deviceName,isEncrypted",
+    headers=headers)
+```
+
+### References
+
+- BitLocker: https://learn.microsoft.com/en-us/windows/security/operating-system-security/data-protection/bitlocker/
+- BitLocker PowerShell: https://learn.microsoft.com/en-us/powershell/module/bitlocker/