add update phone number and recovery email

lib/pages/main/model/main_model.dart

@@ -153,8 +153,10 @@ class MainModel extends ChangeNotifier {
     return int.parse(packageInfo!.buildNumber) >= setting!.supportBuildNum;
   }
 
-  Future<AuthResult> sendSms(String phoneNumber) {
-    return Services.instance.authService.sendSmsCodeToPhoneNumber(phoneNumber);
+  Future<AuthResult> sendSms(String phoneNumber,
+      {String? forceResendingToken}) {
+    return Services.instance.authService.sendSmsCodeToPhoneNumber(phoneNumber,
+        forceResendingToken: forceResendingToken);
   }
 
   Future<AuthResult> signin(String smsCode) async {

lib/pages/main/util.dart

@@ -403,3 +403,12 @@ String removeTrailingZeros(double number) {
       : result;
   return result;
 }
+
+
+bool isValidEmail(String email) {
+  // Define a regular expression for validating an email
+  final emailRegex = RegExp(r'^[^@\s]+@[^@\s]+\.[^@\s]+$');
+
+  // Check if the email matches the pattern
+  return emailRegex.hasMatch(email);
+}