feat: add set wallpaper & adjust wallpaper mask opacity settings

* feat: adjust topbar display appearance when using other wallpapers
* feat: update `HorizontalScrollView` appearance after scrolling
* refactor:  adjust file locations of child components in the `Settings` component

src/contentScripts/views/Home/Home.vue

@@ -3,7 +3,7 @@ import RecommendContent from './components/RecommendContent.vue'
 </script>
 
 <template>
-  <div bg="$bew-bg">
+  <div>
     <RecommendContent />
   </div>
 </template>