feature(database-connection): Add routing for dynamic seasons

frontend/src/services/UserStatsService.ts

@@ -1,5 +1,5 @@
-import TableEntry from "../models/TableEntry";
 import RequestError from "../models/RequestError";
+import UserStatsResponse from "../models/UserStatsResponse";
 
 
 export default class UserStatsService {
@@ -13,7 +13,7 @@ export default class UserStatsService {
     }
   };
 
-  async getStats(): Promise<TableEntry[]> {
+  async getStats(seasonId: string): Promise<UserStatsResponse> {
     return fetch(this.apiURL, this.requestInit)
       .then(res => UserStatsService.checkResponse(res))
       .then(data => data.json());