reset endpoint + frontend reset and login pages add

frontend/src/api/LoginAPI/Auth.ts

@@ -0,0 +1,14 @@
+import { API_URL, 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", 
+    });
+    if (!res.ok) throw new Error("Неверный email или пароль");
+    const data = await res.json();
+    setAccessToken(data.access_token);
+    return data;
+}