Huge refactor, Adding more code to engine from the game

game.odin

@@ -0,0 +1,14 @@
+package edit2d
+
+
+game_mode :: enum
+{
+	PLAY,
+	EDIT,
+}
+
+engine_game :: struct {
+	curr_level : string,
+	interface  : interface_state,
+	mode       : game_mode,
+}