[feature] Reload page after importing

If we don't do that, the content does not refresh.
PS : There is probably cleaner solutions to do that without reloading the page, but for a question of time, I'm doing it like this for the moment.

app/responsable/page.tsx

@@ -25,6 +25,7 @@ export default function Page() {
                       const fileContent = event.target.result;
                       const jsonData = JSON.parse(fileContent);
                       localStorage.setItem('rapport-de-stage', JSON.stringify(jsonData))
+                      location.reload()
 
                   } catch (error) {
                       alert("Erreur de lecture du fichier JSON. Vérifiez que le fichier est bien formaté.");