refactor: 删除不再使用的图像文件，更新引导组件以支持垂直偏移功能

src/router/index.ts

@@ -43,6 +43,14 @@ const routes: RouteRecordRaw[] = [
     meta: {
       title: '发现与记录'
     }
+  },
+  {
+    path: '/video',
+    name: 'Video',
+    component: () => import('@/views/vlog/video/index.vue'),
+    meta: {
+      title: '视频'
+    }
   }
 ]