Update notes for v1.2.6

[p]v1.2.6 Changelog(Hospital Designer)[/p][p]Gameplay[/p]

• [p]Clening gameplay added, NPCs can throw garbage and piss if there is no facility.[/p]
• [p]Toilet, garbage bin, janitor bin added[/p]

[p]Bugs[/p]

• [p]Level up unlocks fixed[/p][p][/p]

[p]Other
• Joker removed[/p]