[DOC pkg] Documentar pacote de email

[GabrielTrindadeC]

Describe the feature
Documentar pacote de email, explicar como implementar e usar o adapter de email

Description

[Describe the new feature requested.]

Use Case

[Explain the use for this feature and how it might benefits the project.]

Implementation Details

o @k1nha fez alguns templates que podem ajudar na documentação #82 (comment)

Visual Concepts

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Additional Information

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