Added MeshRendererComponent

updated SandoxApp to utilize it

GlitchyEngine/src/World/MeshRendererComponent.bf

@@ -0,0 +1,32 @@
+using GlitchyEngine.Renderer;
+using System;
+
+namespace GlitchyEngine.World
+{
+	/// A component that allows to render a mesh.
+	public struct MeshRendererComponent : IDisposableComponent
+	{
+		private Material _material;
+
+		public Material Material
+		{
+			[Inline]
+			get => _material;
+			set mut
+			{
+				if(_material == value)
+					return;
+
+				_material?.ReleaseRef();
+				_material = value;
+				_material?.AddRef();
+			}
+		}
+
+		public static void DisposeComponent(void* component)
+		{
+			Self* meshRenderComponent = (Self*)component;
+			meshRenderComponent._material?.ReleaseRef();
+		}
+	}
+}