Add route for connecting a wallet

[Radu-Cristian Popa]

Context

• #80

Todos

• It should receive (from "Connect your wallet" form):
  • wallet address URL
  • amount
  • amount type
• Flow:
  • validate request body
  • fetch wallet address information
    • if the wallet address is not valid throw an error
  • request a grant for quotes and outgoing payments
  • it should return:
    • interact redirect URL
    • continue URI
    • continue token

[Radu-Cristian Popa]

Keys are now generated when the extension is installed. The users will need to upload the public key in the wallet provider UI.