Revert "Adds bye newsletter. :wave:"

This reverts commit 3a34f2dcdb951fa6b63401ec84893f1730775406.
inserção do MVC para inserir questões abertas nos exercícios
Merge branch 'master' of https://github.com/augustogiles/redu
Revert "Revert "Adds bye newsletter. :wave:""

This reverts commit a067a1064118749658250ec071ac5cb2b3e16967.