Fixed some minor things

IllusionInjector/BeatSaber/CompositeBSPlugin.cs

@@ -86,7 +86,7 @@ namespace IllusionInjector {
             get { throw new NotImplementedException(); }
         }
 
-        // public Uri UpdateUri => throw new NotImplementedException();
+        public Uri UpdateUri => throw new NotImplementedException();
 
         public void OnLateUpdate() {
             Invoke(plugin => {

IllusionPlugin/BeatSaber/IBeatSaberPlugin.cs

@@ -24,8 +24,9 @@ namespace IllusionPlugin
 
         /// <summary>
         /// The URI to the update script for the plugin. May be <see langword="null"/>.
+        /// Actually tho this does nothing I just don't want to try to remove it completely
         /// </summary>
-        //Uri UpdateUri { get; }
+        Uri UpdateUri { get; }
 
         /// <summary>
         /// Gets invoked when the application is started.