- Implemented `generateCertificateHash` to create a hash using HMAC-SHA256 based on user ID and team ID.
- Added `verifyCertificateHash` to validate a given certificate ID against generated hash.
- Introduced `crypto-js` library as a dependency for cryptographic functions.
chore(deps): update ajv to version 8.13.0 and add crypto-js dependency
- Updated `ajv` from version 6.12.6 to 8.13.0 in package.json and package-lock.json.
- Added `crypto-js` library to package.json for cryptographic operations.
- Included type definitions for `crypto-js` in development dependencies.