flutter_package / fluttertpc_get

formatting files according to dartfmt

Fix:
https://github.com/jonataslaw/getx/issues/407
https://github.com/jonataslaw/getx/issues/403
https://github.com/jonataslaw/getx/issues/390
https://github.com/jonataslaw/getx/issues/388
https://github.com/jonataslaw/getx/issues/368

Refactored polish translation

replace apiModel with null

arror apear when no connexion in the example

Updated docs for the last GetX video

Also the state management was missing in Spanish so i added

[docs] Documenting main methods

Translation return null value when no entry found

I couldn't figure out how to update the Table of Contents lol. I started googling and it seems like this might be using something that generates one for you? https://github.com/ekalinin/github-markdown-toc

This is my first time contributing to a project that isn't my own. So I'm not too good with GitHub yet 😂. Please forgive me!

add function for cnpj validation

[docs] several changes in docs

Add util extensions again in the lib + add missing function

[docs] fix typos