feat: add the remaining things

* DisableMaintenance
* UnlockAllMusic
* UnlockGameEvents
* UnlockMemoryChapters

NaiveRating/MU3/patch_Scene_32_PrePlayMusic_Confirm.cs

@@ -0,0 +1,10 @@
+namespace MU3;
+
+// It doesn't have to be PrePlayMusic_Confirm, but it prev rating has to be stored at some point
+class patch_Scene_32_PrePlayMusic_Confirm: Scene_32_PrePlayMusic_Confirm {
+    private extern void orig_Enter_Select();
+    private void Enter_Select() {
+        NaiveRating.SavePrev();
+        orig_Enter_Select();
+    }
+}