Add 5-star rating system(#986)

* Added Star Rating functionality for Songs

* Added Star Rating functionality for Artists

* Added Star Rating functionality for AlbumListView

* Added Star Rating functionality for AlbumDetails and improved typography for title

* Added functionality to turn on/off Star Rating functionality for Songs

* Added functionality to turn on/off Star Rating functionality for Artists

* Added functionality to turn on/off Star Rating functionality for Albums

* Added enableStarRating to server config

* Resolved the bugs and improved the ratings functionality.

* synced repo and removed duplicate key

* changed the default rating size to small, and changed the color to match the theme.

* Added translations for ratings, and Top Rated tab in side menu.

* Changed rating translation to topRated in albumLists, and added has_rating filter to topRated.

* Added empty stars icon to RatingField.

* Added sortable=false in AlbumSongs and added sortByOrder=DESC in all List components.

* Added translations for rating, for artists and albums, and removed the sortByOrder=DESC from SimpleLists.

ui/src/subsonic/index.js

@@ -40,6 +40,9 @@ const getCoverArtUrl = (record, size) => {
   return url('getCoverArt', record.coverArtId || 'not_found', options)
 }
 
+const setRating = (id, rating) =>
+  fetchUtils.fetchJson(url('setRating', id, { rating }))
+
 export default {
   url,
   getCoverArtUrl,
@@ -47,4 +50,5 @@ export default {
   download,
   star,
   unstar,
+  setRating,
 }