Restructure project to root layout

src/components/LongPressButton.tsx

@@ -0,0 +1,20 @@
+import { Button, ButtonProps } from '@mui/material';
+import React from 'react';
+import { useLongPress } from '../hooks/useLongPress';
+
+interface LongPressButtonProps extends ButtonProps {
+  onLongPress: () => void;
+}
+
+export const LongPressButton = ({ onLongPress, onClick, children, ...rest }: LongPressButtonProps) => {
+  const gestureHandlers = useLongPress({
+    onLongPress,
+    onClick: onClick ? () => onClick({} as React.MouseEvent<HTMLButtonElement>) : undefined,
+  });
+
+  return (
+    <Button {...rest} {...gestureHandlers} onClick={undefined}>
+      {children}
+    </Button>
+  );
+};