feat: update frontend path to '/badge' and adjust related documentation

frontend/e2e/app.spec.ts

@@ -345,7 +345,7 @@ test.describe('Sicurezza Backend', () => {
         let requestIntercepted = false;
         let backendResponse: { success: boolean; message: string } | null = null;
 
-        await page.route('**/entry-request', async (route, request) => {
+        await page.route('**/api/entry-request', async (route, request) => {
             requestIntercepted = true;
             console.log('[E2E] ⚠️ Richiesta entry-request INTERCETTATA');
             console.log('[E2E] Body:', request.postData());