Fix bigint serialization error (#916)

## Description:

- JSON serialization, bigint to string handling
- JSON deserialization, string to bigint handling

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

---------

Co-authored-by: Scott Anderson <662325+scottanderson@users.noreply.github.com>

src/server/Archive.ts

@@ -1,6 +1,7 @@
 import { S3 } from "@aws-sdk/client-s3";
 import { getServerConfigFromServer } from "../core/configuration/ConfigLoader";
 import { AnalyticsRecord, GameID, GameRecord } from "../core/Schemas";
+import { replacer } from "../core/Util";
 import { logger } from "./Logger";
 
 const config = getServerConfigFromServer();
@@ -147,10 +148,3 @@ export async function gameRecordExists(gameId: GameID): Promise<boolean> {
     return false;
   }
 }
-
-/**
- * JSON.stringify replacer function that converts bigint values to strings.
- */
-export function replacer(_key: string, value: any): any {
-  return typeof value === "bigint" ? value.toString() : value;
-}