added Serializer & Manager classes

backend/api/src/model/Leaderboard.ts

@@ -1,5 +1,7 @@
-import {LeaderboardEntry} from "./LeaderboardEntry.js";
+export type Leaderboard<T> = LeaderboardEntry<T>[];
 
-export class Leaderboard<T> {
-    content: LeaderboardEntry<T>[];
+export interface LeaderboardEntry<T> {
+    rank: number,
+    username: string,
+    score: T,
 }

backend/api/src/model/LeaderboardEntry.ts

@@ -1,5 +0,0 @@
-export interface LeaderboardEntry<T> {
-    rank: number,
-    username: string,
-    score: T,
-}

backend/api/src/model/UserScores.ts

@@ -1,4 +1,4 @@
-export interface UserData {
+export interface UserScores {
     username: string,
     highscore: number,
     totalScore: number,