changed database name

api/appsettings.json

@@ -7,6 +7,6 @@
   },
   "AllowedHosts": "*",
   "ConnectionStrings": {
-    "DefaultConnection": "Host=localhost;Port=5432;Database=PersonsExercise;Username=postgres;Password=postgres"
+    "DefaultConnection": "Host=localhost;Port=5432;Database=postgres;Username=postgres;Password=postgres"
   }
 }