save tokens localstorage, fix refresh sql query, added permissions

frontend/src/api/LoginAPI/Auth.ts

@@ -1,14 +1,18 @@
-import { API_URL, setAccessToken } from "../token";
+import { API_URL, authFetch, setAccessToken } from "../token";
 
 export async function login(email: string, password: string) {
     const body = new URLSearchParams({ username: email, password });
     const res = await fetch(`${API_URL}/protected/token`, {
         method: "POST",
-        body,                    
-        credentials: "include", 
+        body,
+        credentials: "include",
     });
     if (!res.ok) throw new Error("Неверный email или пароль");
     const data = await res.json();
     setAccessToken(data.access_token);
     return data;
 }
+
+export async function logout() {
+    return authFetch("/protected/logout");
+}