👷 setup Solidity code formatter

[wenceslas-sanchez]

@poyea Just to let you @mkubdev prettier was used because the repo is more active. (/= Solhint) 😄

[wenceslas-sanchez]

Looks good, thanks! 🚀 A question: is this ready or still a WIP?

I tried it locally and it works ! You can merge it I guess 😄

[wenceslas-sanchez]

The action failed, and I faced the same issue with another project. Here is how I resolve it (and make the litter works) :

• delete .yml file
• run locally npx prettier --write . then commit/push
• finally re-add the .yml file

https://www.koskila.net/how-to-resolve-refusing-to-allow-an-integration-to-create-or-update-github-workflows-main-yml-on-github-desktop/