refactor(video): 移除静态广告组件并添加视频快进快退功能

- 删除未使用的静态广告组件及相关文件（MyComponent.vue、staticadcomponent/、videoDetail.vue等）
- 在视频播放器中添加自定义快进（+15秒）和快退（-15秒）按钮组件
- 移除未使用的iOS视频组件注册
- 优化播放器控制栏布局和样式

main.js

@@ -114,8 +114,8 @@ import commonSelectVip from '@/pages/component/commonComponents/selectVip.vue'
 Vue.component('common-select-vip', commonSelectVip);
 import commonAdvertisement from '@/pages/component/commonComponents/advertisement.vue'
 Vue.component('common-advertisement', commonAdvertisement);
-import commonVideoIos from '@/pages/component/commonComponents/video/ios.nvue'
-Vue.component('common-video-ios', commonVideoIos);
+// import commonVideoIos from '@/pages/component/commonComponents/video/ios.nvue'
+// Vue.component('common-video-ios', commonVideoIos);
 // import musicPlay from '@/components/music.vue'
 // Vue.component('music-play', musicPlay);