Pokydko Oleksandr

Improvements to username and password validations (#1744)

1

This pull request includes changes to the `src/server/database/repositories/user/types.ts` file to adjust the validation rules for usernames and passwords. The most important changes include modifying the minimum length requirement for usernames...

### Describe the bug As discussed at https://github.com/wg-easy/wg-easy/issues/1704 the requirement for username to be at least 8 characters is quite limiting, I suggest lowering this value to something like 2...