🛡️ Add HTTPS Certificate Pinning

[safayavatsal]

Problem

No certificate pinning implemented, vulnerable to man-in-the-middle attacks.

Solution

1. Add http_certificate_pinning package
2. Pin certificates for Jikan API and Consumet API
3. Configure pinning in HTTP client
4. Add cert update mechanism
5. Test on different networks
6. Document cert rotation process

Estimated Effort

3 hours

Priority

Low - Security hardening for sensitive deployments

Note

Only implement if app handles sensitive user data or payment info

Labels

priority:low, type:security, effort:medium