fix doc menu

index.d.ts

@@ -30,7 +30,7 @@ interface ButtonProps {
   to?: string;
   className?: string;
 }
-export function Button(props: ButtonProps): React.ReactNode;
+export function Button(props: ButtonProps): JSX.Element;
 
 interface CardProps {
   to?: string;

src/pages-doc/doc/core/index.tsx

@@ -11,7 +11,7 @@ function index(): ReactElement {
         <h2>Components</h2>
         <Link to="/doc/core/button">Button</Link>
         <br></br>
-        <Link to="/doc/core/buttonCard">ButtonCard</Link>
+        <Link to="/doc/core/card">Card</Link>
         <br></br>
         <Link to="/doc/core/hero">Hero</Link>
       </div>