Added a name field to pass server validation

lib/data/models/userRegistrationModel/user_registration_model.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 import 'package:http/http.dart' as http;
 
 class UserRegistrationSheet {
+  String name;
   String firstName;
   String lastName;
   String email;
@@ -30,6 +31,7 @@ class UserRegistrationSheet {
   String additionalInfo = '';
 
   UserRegistrationSheet({
+    required this.name,
     required this.firstName,
     required this.lastName,
     required this.email,
@@ -60,6 +62,7 @@ class UserRegistrationSheet {
 
   Map<String, dynamic> toJson() {
     return {
+      'name': name,
       'first_name': firstName,
       'last_name': lastName,
       'email': email,
@@ -88,15 +91,4 @@ class UserRegistrationSheet {
       'additional_info': additionalInfo,
     };
   }
-
-  Future<void> sendJson(Uri url) async {
-    final response = await http.post(
-      url,
-      headers: {'Content-Type': 'application/json'},
-      body: jsonEncode(toJson()),
-    );
-    if (response.statusCode != 200) {
-      throw Exception('Failed to send data');
-    }
-  }
 }