Use Better scripting language

Use typescript or CoffeeScript in place of javascript

The issue suggests replacing JavaScript with TypeScript or CoffeeScript but does not specify which files or how to approach the migration. First, examine the repository's current JavaScript files to understand the codebase. Then, research migration strategies for TypeScript or CoffeeScript. A successful change would involve converting all JavaScript files and ensuring the game still runs correctly.

索引モデルが issue の本文から書いたものです。