wip json validation

src/game/game.dto.ts

@@ -20,9 +20,12 @@ export class GameDTO {
   @IsNotEmpty()
   @Length(1, 255)
   desc: string;
+  @IsNotEmpty()
+  //@IsJSON()
   center: JSON;
   //@IsJSON()
-  // doesn't accept with IsJSON, WIP to get validation for map
+  // doesn't accept with IsJSON, WIP to get validation for map and center
+  // IsJSON checks with json.parse, expecting string
   map?: JSON;
   @IsDateString()
   @IsNotEmpty()