Fixed compilation errors;

Added MaterialPalette

src/Runtime/Ghost.Engine/Components/MeshInstance.cs

@@ -7,8 +7,7 @@ namespace Ghost.Engine.Components;
 public struct MeshInstance : IComponent
 {
     public Handle<Mesh> mesh;
-    // NOTE: This will be the first material, we can access other materials by the bindless index of the first material + the local index stored in the meshlet.
-    public Handle<Material> materialStart;
+    public int materialPaletteIndex;
     public ShadowCastingMode shadowCastingMode;
     public RenderingLayerMask renderingLayerMask;
     public bool staticShadowCaster;