Make Every Class Internal

Core/RenderManager.cs

@@ -21,7 +21,7 @@ using ThreadPriority = System.Threading.ThreadPriority;
 
 namespace ADOFAIRenderer.Core
 {
-    public class RenderManager : MonoBehaviour
+    internal class RenderManager : MonoBehaviour
     {
         // Singleton Accessors
         public static RenderManager Instance { get; private set; } = null!;