Fix on the admin user.

Back/skydiveLogs-api.Infrastructure/UserRepository.cs

@@ -23,17 +23,18 @@ namespace skydiveLogs_api.Infrastructure
             return _col.FindOne(u => u.Login == login && u.Password == password);
         }
 
-        public bool Add(User newUser)
+        public int Add(User newUser)
         {
-            var result = true;
+            int result;
 
             try
             {
-                _col.Insert(newUser);
+                var tmp = _col.Insert(newUser);
+                result = tmp.AsInt32;
             }
             catch
             {
-                result = false;
+                result = 0;
             }
 
             return result;