Add GraphicsEditor class

Super donkey proto graphics import experiment

removed snes_spc and asar_static because of macOS M1 build issues.

music player using snes_spc disabled

included macOS build configuration as it currently is.

src/app/editor/overworld_editor.h

@@ -58,7 +58,7 @@ class OverworldEditor {
   void DrawOverworldEntrances();
   void DrawOverworldMaps();
   void DrawOverworldSprites();
-  void DrawOverworldEdits();
+  void DrawOverworldEdits() const;
   void DrawOverworldCanvas();
 
   void DrawTile16Selector();