v0.4.0

chore: update buf version and files (#203)

* update buf version and files

* chore: add proto module name

* feat: add make targets to proto generate files using Buf

* chore: update Buf repository name

Co-authored-by: Danilo Pantani <danpantani@gmail.com>

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Co-authored-by: Pantani <Pantani>
Co-authored-by: jeronimoalbi <jeronimo.albi@gmail.com>