add Content/ to gitignore

.gitignore

@@ -1,6 +1,8 @@
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
 
+Content/
+
 # User-specific files
 *.suo
 *.user

Shared/SneakGame.cs

@@ -67,6 +67,7 @@ namespace SemiColinGames {
       // world = new SneakWorld(GraphicsDevice, Content.LoadString("levels/demo.json"));
       // world = new TreeWorld();
       world = new ShmupWorld();
+
       scene?.Dispose();
       // scene = new SneakScene(GraphicsDevice, ((SneakWorld) world).Camera);
       // scene = new TreeScene(GraphicsDevice);