Add a admin user and the "role" information into the token.

Back/skydiveLogs-api.DomainBusiness/UserService.cs

@@ -35,8 +35,7 @@ namespace skydiveLogs_api.DomainBusiness
 
             if (foundUser == null)
             {
-                _userRepository.Add(newUser);
-                result = true;
+                result = _userRepository.Add(newUser);
             }
 
             return result;