replaced email with username

types/next-auth.d.ts

@@ -1,9 +1,11 @@
-import NextAuth, { DefaultSession } from "next-auth";
+import NextAuth from "next-auth";
 
 declare module "next-auth" {
   interface Session {
     user: {
       id: number;
-    } & DefaultSession["user"];
+      username: string;
+      email: string;
+    };
   }
 }