Updated the code so the user levels update depending on their performance

src/pages/exam.tsx

@@ -166,6 +166,8 @@ export default function Page() {
 			});
 		}
 
+		axios.get("/api/stats/update");
+
 		setUserSolutions([...userSolutions.filter((x) => !solutionIds.includes(x.exercise)), ...solutions]);
 		setModuleIndex((prev) => prev + 1);
 	};