Sandbox faucet file

[clemsos]

Is your feature request related to a problem? Please describe.
Is there a way I can generate a faucet file for Sandbox? That will be very useful for working on contracts and deployments.

Describe the solution you'd like

sth along the lines of npx granary faucet I guess

Describe alternatives you've considered

gathering the info from various cli command and make my own

Additional context

Cool project, eager to use more!