Release gringotts version 1.0.0

Gringotts v1.0.0 is the first version of token management platform. In this version, Token management platform will be supported some features:

Wallet management

• Create new wallet with token type
• Lock or Unlock wallet by update status of wallet
• Get balance of wallet
• Enroll policy of wallet

Token management

• Create new token type
• Mint/Burn a stable token
• Issue new alt token base on stable token
• Transfer same token between wallet
• Exchange between two type of token