Fix: Allow usernames starting from 2 characters (#1744)

* update username validation to support short usernames starting from 2 characters

src/server/database/repositories/user/types.ts

@@ -6,7 +6,7 @@ export type UserType = InferSelectModel<typeof user>;
 
 const username = z
   .string({ message: t('zod.user.username') })
-  .min(8, t('zod.user.username'))
+  .min(2, t('zod.user.username'))
   .pipe(safeStringRefine);
 
 const password = z