New: Show number of files on series details

src/UI/Series/Details/InfoViewTemplate.hbs

@@ -5,6 +5,7 @@
         <span class="label label-info">{{runtime}} minutes</span>
         <span class="label label-info">{{path}}</span>
         <span class="label label-info">{{Bytes sizeOnDisk}}</span>
+        <span class="label label-info">{{episodeFileCount}} files</span>
         {{#if_eq status compare="continuing"}}
             <span class="label label-info">Continuing</span>
         {{else}}