feat: improve authentication and user management

- Fix token missing issue after email code registration/login
- Add last login time update for code-based login
- Support email login in addition to username login
- Fix password login for code-registered users (allow setting password)
- Fix referral code parameter passing from URL hash
- Add email column to user management table
- Improve profile page layout (align card heights, reorganize layout)
- Add i18n support for Register Bonus, Referral Bonus, Code Lock Minutes, Code Max Attempts
- Fix billing service add_credits to support reference_id parameter
- Update password handling documentation

quantdinger_vue/src/config/router.config.js

@@ -159,11 +159,6 @@ export const constantRouterMap = [
         path: 'login',
         name: 'login',
         component: () => import(/* webpackChunkName: "user" */ '@/views/user/Login')
-      },
-      {
-        path: 'recover',
-        name: 'recover',
-        component: undefined
       }
     ]
   },