✨ create oauth login

Create authentication with oAuth using a third-party vendor. Currently, only GitHub is available, but more will be added
in the future.

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

@@ -0,0 +1,16 @@
+import * as arctic from "arctic";
+import { githubProvider } from "../providers/github.provider";
+import { AppError } from "../../../helpers/error/instances/app";
+
+export const githubRequestService = async () => {
+  try {
+    const github = githubProvider();
+    const state = arctic.generateState();
+    const scopes = ["user:email"];
+    const url = github.createAuthorizationURL(state, scopes);
+
+    return url;
+  } catch (error) {
+    throw new AppError(500, "Oops! something happening", error);
+  }
+};