Add code styling tools

[alejandronanez]

Hey @nacimgoura.

I added a couple of things here:

• Editorconfig
• Eslint
• Prettier
• A pre-commit hook that runs prettier to all staged files
• Run prettier on all files

After this, everything should be consistent in terms of code styling.

NOTE: This is using 2 spaces which IMO looks more readable than what we had before, but if you don't like it I can revert this change.

closes #23

[nacimgoura]

Thanks but I already use xo for the lint. Why used eslint instead of xo would be better?

[alejandronanez]

Oops, I missed XO on your devDependencies.

Let’s stick with it, XO uses eslint under the hood. I’ll update the PR then.

UPDATE

• I removed eslint but left prettier.
• Add xo command so we can run XO whenever we need

NOTE After running npm run xo we got:

But we can address those issues in subsequent PRs

[nacimgoura]

Thanks 😉