Demo update

[h3]New features:[/h3]

• [p]Dungeon ambience[/p]
• [p]New music[/p]
• [p]New sfx[/p]
• [p]New pfx[/p]

[p][/p][h3]Fixes:[/h3]

• [p]"To me!" now has a minimum duration (i.e. works for a little while after being tapped)[/p]
• [p]Added extra decimal place to stat percentages[/p]
• [p]Fixed trap door weightings[/p]
• [p]Adjusted cutscene music volume[/p]

[p][/p][h3]Misc:[/h3]

• [p]Updated pricing survey[/p]
• [p]Updated main menu layout[/p]