Custom token generator

[raeesnazeer]

Link the bounty file

https://github.com/tyvdh/stellar-quest-bounties/blob/main/bounties/level-1/create-bounties.md

Mark your progress

• 🔵  Started working
• 🟢  Ready for review
• 🟣  Review completed

Provide relevant details

#138

[ralphilius]

I've added a few comments in your PR.