feat : useScreenSize for board size

src/sections/loadGame/loadGameButton.tsx

@@ -6,14 +6,19 @@ import { Chess } from "chess.js";
 interface Props {
   setGame?: (game: Chess) => void;
   label?: string;
+  size?: "small" | "medium" | "large";
 }
 
-export default function LoadGameButton({ setGame, label }: Props) {
+export default function LoadGameButton({ setGame, label, size }: Props) {
   const [openDialog, setOpenDialog] = useState(false);
 
   return (
     <>
-      <Button variant="contained" onClick={() => setOpenDialog(true)}>
+      <Button
+        variant="contained"
+        onClick={() => setOpenDialog(true)}
+        size={size}
+      >
         {label || "Add game"}
       </Button>