support using hashicorp official package repos

[fawaf]

Is your feature request related to a problem?

not a problem per se, but the formula installs the binary individually/manually.

Describe the solution you'd like

support optional ability to use the hashicorp official repos for different distributions.

Describe alternatives you've considered

Additional context

https://learn.hashicorp.com/tutorials/vault/getting-started-install

[dafyddj]

Hi,

thanks for the suggestion. I agree with the idea and will try and work on it in the neat future.