Implementing showcase command

[Hiyorimi]

Since there is a community request for go-to TON development solution, I believe that rift project can benefit from adding some kind of showcase command in addition to init command, which might roll-out jetton implementation directly to initial projects folder and even optionally deploy it to testnet / mainnet to provide... well, a showcase of rift and, in its own term, TON itself.

[OBGunderground]

Winkwank