[Feature] Possible addition of the repository and service pattern

[Caixetadev]

Is your feature request related to a problem? Please describe.
handlers are coupled with the database and business rules

Describe the solution you'd like
implement the patterns

service repository

Describe alternatives you've considered

Additional context

[kevinanielsen]

I like this a lot - Would you like to work on this?

[Caixetadev]

Yes