add ShareLinks to the admin Extensions menu with a share icon

Jellyfin.Plugin.ShareLinks/Plugin.cs

@@ -40,7 +40,10 @@ public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
         new PluginPageInfo
         {
             Name = "ShareLinks",
-            EmbeddedResourcePath = GetType().Namespace + ".Web.configPage.html"
+            EmbeddedResourcePath = GetType().Namespace + ".Web.configPage.html",
+            EnableInMainMenu = true,
+            MenuIcon = "share",
+            MenuSection = "server"
         }
     };
 }