feat: added minigames (button_mash, rhythm, ddr), correction in makefiles readline, placed games in init.context

inc/system/system.main.lua

@@ -24,6 +24,18 @@ local STATE_HANDLERS = {
     ConfigurationWindow.update()
     ConfigurationWindow.draw()
   end,
+  [WINDOW_MINIGAME_BUTTON_MASH] = function()
+    MinigameButtonMashWindow.update()
+    MinigameButtonMashWindow.draw()
+  end,
+  [WINDOW_MINIGAME_RHYTHM] = function()
+    MinigameRhythmWindow.update()
+    MinigameRhythmWindow.draw()
+  end,
+  [WINDOW_MINIGAME_DDR] = function()
+    MinigameDDRWindow.update()
+    MinigameDDRWindow.draw()
+  end,
 }
 
 local initialized_game = false