feat(user-agreement): implement user agreement upload functionality and update related components ✨

app/next-auth.d.ts

@@ -1,6 +1,7 @@
 /* eslint-disable @typescript-eslint/no-unused-vars */
 // @ts-expect-error importing unused types are required here
-import NextAuth, { DefaultSession, type User, Session } from "next-auth";
+import NextAuth, { DefaultSession, Session, type User } from "next-auth";
+
 /* eslint-enable @typescript-eslint/no-unused-vars */
 declare module "next-auth" {
 	/**
@@ -26,6 +27,7 @@ declare module "next-auth" {
 			date_joined?: string;
 			is_superuser?: boolean;
 			is_admin?: boolean;
+			agreement?: string;
 		};
 		expires: ISODateString;
 	}