feat:verify your account page ui done

lib/core/helpers/string_helpers.dart

@@ -0,0 +1,22 @@
+class StringHelpers {
+  static String formatUzbekPhoneNumber(String input) {
+    final digits = input.replaceAll(RegExp(r'\D'), '');
+
+    String formatted = digits;
+    if (formatted.startsWith('998')) {
+      formatted = formatted.substring(3);
+    } else if (formatted.startsWith('8')) {
+      formatted = formatted.substring(1);
+    }
+
+    final buffer = StringBuffer('+998 ');
+    for (int i = 0; i < formatted.length && i < 9; i++) {
+      buffer.write(formatted[i]);
+      if (i == 1 || i == 4 || i == 6) {
+        buffer.write(' ');
+      }
+    }
+
+    return buffer.toString().trim();
+  }
+}