Update the readme to include resources and instructions for creating or finding gifs

[luigieai]

Description of Changes

Relates to https://github.com/M0nica/httriri/issues/12

Pages/Interfaces that will change

• README.md

Steps to test

• Open README.md

  Additional notes

  I tried to provide multiplataform ways for easily creating Gifs without trademark

[luigieai]

Well, i should get better with my english . This is my first PR ever! Thanks for the opportunity, now i'm more confident to make more code changes!.