created gameperson decorator

src/game/gameperson.decorator.ts

+import { createParamDecorator } from '@nestjs/common';
+
+/* 
+    gives service access to the gameperson object
+    Game_PersonEntity {
+        gamepersonId
+        role
+        faction
+    }
+*/
+export const GamePerson = createParamDecorator((data, req) => {
+  return data ? req.gameperson[data] : req.gameperson;
+});