chore: rename DefaultItem to default-item

packages/drawnix/src/components/main-menu/default-items.tsx

@@ -2,7 +2,7 @@ import { ExportImageIcon, GithubIcon } from '../icons';
 import DropdownMenuItem from '../dropdown-menu/DropdownMenuItem';
 import DropdownMenuItemLink from '../dropdown-menu/DropdownMenuItemLink';
 
-import './DefaultItems.scss';
+import './default-items.scss';
 import { useBoard } from '@plait/react-board';
 import { getSelectedElements } from '@plait/core';
 import { base64ToBlob, boardToImage, download } from '../../utils';

packages/drawnix/src/components/main-menu/main-menu.tsx

@@ -1,12 +1,11 @@
 import React, { useState } from 'react';
 import classNames from 'classnames';
-import { Island } from '../island';
 import { useBoard } from '@plait/react-board';
 import { PlaitBoard } from '@plait/core';
 import DropdownMenu from '../dropdown-menu/DropdownMenu';
 import { MenuIcon } from '../icons';
 import { composeEventHandlers } from '../../utils';
-import { SaveAsImage, Socials } from './DefaultItems';
+import { SaveAsImage, Socials } from './default-items';
 
 type MainMenuProps = {
   children?: React.ReactNode;