feat: add phone field to User model and update authentication flow

- Added phone field to User model in Prisma schema and generated types.
- Updated backend authentication to include phone as an additional field.
- Implemented phone input in the signup form with validation.
- Created a new SignupPage component for user registration.
- Updated routing to include signup path and redirect authenticated users.
- Modified login page to reference Playzer and added link to signup.

apps/frontend/src/lib/api-client.ts

@@ -1,10 +1,21 @@
 import { sentinelClient } from '@better-auth/infra/client';
+import { inferAdditionalFields } from 'better-auth/client/plugins';
 import { createAuthClient } from 'better-auth/react';
 import * as api from './api';
 
 const apiBaseUrl = api.apiBaseUrl;
 
-const plugins = [sentinelClient()];
+const plugins = [
+  sentinelClient(),
+  inferAdditionalFields({
+    user: {
+      phone: {
+        type: 'string',
+        required: false,
+      },
+    },
+  }),
+];
 
 export const authClient = createAuthClient({
   baseURL: apiBaseUrl,

apps/frontend/src/lib/auth.tsx

@@ -13,6 +13,7 @@ type SignUpParams = {
   email: string;
   password: string;
   fullName: string;
+  phone?: string;
 };
 
 type UpdateProfileParams = {
@@ -162,11 +163,12 @@ export function AuthProvider({ children }: PropsWithChildren) {
           throw error;
         }
       },
-      signUp: async ({ email, password, fullName }) => {
+      signUp: async ({ email, password, fullName, phone }) => {
         const { data: signUpData, error } = await authClient.signUp.email({
           email,
           password,
           name: fullName,
+          phone,
         });
 
         if (error) {