Initial Flutter project added

lib/services/request_service.dart

@@ -0,0 +1,25 @@
+import 'package:dio/dio.dart';
+import '../config/api_config.dart';
+
+class RequestService {
+  final Dio _dio = Dio(
+    BaseOptions(
+      baseUrl: ApiConfig.baseUrl,
+      connectTimeout: const Duration(seconds: 15),
+    ),
+  );
+  /// Send signup request to backend (after OTP verified)
+  Future<Map<String, dynamic>> sendSignup(Map<String, dynamic> payload) async {
+    try {
+      final resp = await _dio.post('/signup-request', data: payload);
+      return resp.data is Map ? Map<String, dynamic>.from(resp.data) : {'status': true, 'message': 'OK'};
+    } on DioException catch (e) {
+      return {
+        'status': false,
+        'message': e.response?.data ?? e.message
+      };
+    } catch (e) {
+      return {'status': false, 'message': e.toString()};
+    }
+  }
+}