SEP-12: Add support for customer photo-ID face match validation

[sublime247]

Difficulty: Medium
Skills: TypeScript, compliance APIs, Onfido Integration
Files: src/services/kyc.ts, src/controllers/kycController.ts

Description:
Integrate biometric face-matching verification in the SEP-12 customer register endpoint to enhance KYC authenticity checks and prevent document spoofing.

Acceptance Criteria:

• Send biometric payload to Onfido provider for check.
• Store face-match verification status dynamically in the database.
• Handle failure callbacks and update client compliance states.

Questions? Comment below!