Forms: event and method submit

[brunacborgesm]

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[CLAassistant]

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[gabifs]

@brunacborgesm Obrigado pela contribuição, mas não pude deixar de notar que faltou traduzir o exercício e a solução.

[brunacborgesm]

@gabifs oh I thought it was just the article.md I just ignored the others, but not a problem I am doing it right now!

[gabifs]

LGTM!