Add Lagoon

[clandrew]

Hello, thank you for this cool project!

This pull request adds a text generator inspired by the Super Nintendo game "Lagoon".

There are three modes

• dialog_box imitates the general dialog box style from the game, where the box is sized to fit the text
• dwarf_cave is based on a "game over" screen.
• restaurant is based on a location in the beginning town.

I tested these on a private server to make sure everything looks good.