Adding save, load and reset buttons to the level 1 to 5

[khailuuhoang]

Save, load, reset buttons should work right after they press it, and still saving their progress in cookies and the player's progress after they hit load button

[khailuuhoang]

Done with level 1,2,3, working on 4 and 5

[khailuuhoang]

Done with 4 and 5. Now all the level will allow player to save and load the progress, then reset if needed