[Add]

• Added room "Courtyard"
• Added fixtures "Owl Statue", "Raven Statue", and "Rubble"
• Added items "Music box", "Cricket figurine", "Frog figurine", and "Ninja outfit"
• Room marking function
• Floor map display function
• Stage generation options
• Several stage

[Adjust, Fix]

• Various balance adjustments
• Some minor bugs