add delete account UI and logic

lib/services/api/api_links_endpoints.dart

@@ -195,6 +195,7 @@ abstract class ApiEndpoints {
   static const String sendPicture = '/user/profile-picture/{userUuid}';
   static const String getRegion = '/region';
   static const String getTimezone = '/timezone';
+  static const String deleteProfile = '/user';
 
   //multiple-time  offline
   static const String addMultipleTimeTemporaryPassword =

lib/services/api/authentication_api.dart

@@ -83,4 +83,11 @@ class AuthenticationAPI {
     );
     return response;
   }
+
+  static Future<void> deleteAccount() async {
+    await HTTPService().delete(
+      path: ApiEndpoints.deleteProfile,
+      expectedResponseModel: (p0) {},
+    );
+  }
 }