add: implementar login/registro

frontend/src/lib/api.js

@@ -9,5 +9,12 @@ const api = Axios.create({
     }
 });
 
+api.interceptors.request.use((config) => {
+    const token = localStorage.getItem('token');
+    if (token) {
+        config.headers.Authorization = `Bearer ${token}`;
+    }
+    return config;
+});
 
 export default api;