Add anti-brute-force protection for registration and password reset (#37)

fix saveSaveKey error

update course type filtering

Add CC to review block/unblock email notifications

Merge pull request #64 from USTC-XeF2/master

Add automatic save function for reviews

Enhance token validation to allow reuse from the same IP address

Enhance logging for search token generation and validation

fix gunicorn config

Add deployment instructions and Gunicorn configuration for search token feature

Enhance error handling and logging in search token generation and validation

Update search token fetching to use POST method across multiple templates to prevent caching

fix get search tokens

Add search token system for DoS protection

update review content to use longtext