👔 (oauth) add callback URI options

provides the option to define a callback URI following a request from the frontend; if not defined, it will
automatically use the backend's default URI.

src/modules/auth/services/http/githubRequest.service.ts

@@ -2,9 +2,9 @@ import * as arctic from "arctic";
 import { githubProvider } from "../../providers/github.provider";
 import { AppError } from "../../../../helpers/error/instances/app";
 
-export const githubRequestService = async () => {
+export const githubRequestService = async (callbackURI?: string) => {
   try {
-    const github = githubProvider();
+    const github = githubProvider(callbackURI);
     const state = arctic.generateState();
     const scopes = ["user:email"];
     const url = github.createAuthorizationURL(state, scopes);