Refatorar a parte de Ong

**Vamos aprimorar a parte de ONG do projeto**

Description

- Adicionar os campos createdAt e updatedAt no banco de dados.
- Mover os links para uma nova tabela no banco de dados.
- Substituir o RawMessage por algo parecido com o linkDto.
- Ajustar testes.

Use Case


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Implementation Details

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Visual Concepts

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Additional Information


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