Completing 2-estrutura-sequencial.md

[Angel-Ozz]

Hey!! I am kinda new in the OSS environment and I would like to complete the https://github.com/GuillaumeFalourd/java-exercices/blob/main/0-BASICO/2-estrutura-sequencial.md, it is just missing one problem

[github-actions]

Thank you for opening this ISSUE. We'll give you a return ASAP 👍

[GuillaumeFalourd]

No problem @Angel-Ozz , feel free to open a new PR with your suggestion to resolve the TODO section following the repository contribution guide 👍🏼

[GuillaumeFalourd]

Closed by #41