feat:auth datasource done

lib/feature/auth/domain/usecases/register_usecase.dart

@@ -0,0 +1,13 @@
+class RegisterParams {
+  final String firstName;
+  final String lastName;
+  final String phoneNumber;
+  final String password;
+
+  RegisterParams({
+    required this.firstName,
+    required this.lastName,
+    required this.phoneNumber,
+    required this.password,
+  });
+}