message: fix import path for platform
diff: import { createContext } from 'react';
  import vkBridge, { AppearanceSchemeType, AppearanceType } from '@vkontakte/vk-bridge';
  -import { OSType, platform } from '../..';
  +import { OSType, platform } from '../../lib/platform';
  export enum Appearance {
  DARK = 'dark',
  