Supports darwinia api

[clearloop]

Steps

• [x] upgrade faucet
• [x] fix regexp of telegram bot
• [x] transfer
• [x] get block
  • [x] height
  • [x] hash
• [x] tx
• [x] external bot config in dactle
• [x] bumps to new version
• [x] refresh dj commands
  • [x] balance
  • [x] block
  • [x] tx
  • [x] codec
• [x] check seed prompt

Note

There is a static website for darwinia.js documention in next pr.