Svelte is a js web framework that allows for easy front end and back end linking. For the front the in routing the file +page.svelte is where it is declared. The back end server logic is under api and save game. The server handles writing the game to the file system.
To download pineapple simply clone the repository. In order to run pineapple you need the npm package manager. Once you have that the command:
npm run dev --open
can be used to start the webpage local on ones computer.