Add some formatter

[FireIsGood]

Editing the project a bit, I noticed that there were a few inconsistencies that I had to fight with to not have a million changes when doing basic edits. (e.g. 12 random spaces, markdown slightly off specification format).

To fix this, I propose adding some sort of formatter to the project like Prettier which is already included in the Visual Studio Code plugin for Astro.

This could be as simple as running

npm install --save-dev prettier prettier-plugin-astro

Additionally, you might add some basic rules for which quotes to prioritize and line width and a .prettierignore file to stop the tsconfig.json file from exploding every time you run prettier . -w.