Add Plex XML shortcuts to libraries, users, and sync headers

data/interfaces/default/libraries.html

@@ -10,7 +10,7 @@
 <div class='container-fluid'>
     <div class='table-card-header'>
         <div class="header-bar">
-            <span><i class="fa fa-book"></i> All Libraries</span>
+            <span id="libraries-xml"><i class="fa fa-book"></i> All Libraries</span>
         </div>
         <div class="button-bar">
             % if _session['user_group'] == 'admin':
@@ -198,5 +198,9 @@
         });
     });
     % endif
+
+    $('#libraries-xml').on('tripleclick', function () {
+        openPlexXML('/library/sections/all');
+    });
 </script>
 </%def>