Integrate MetaMask to SubConnect

[saltict]

Integrrate MetaMask and can be another ethreum wallet to SubConenct.

• [x] Update packages structure (split sub-connect and wallet-connect)
• [x] Add EvmWallet and basic interface
• [x] MetaMask
  • [x] Detect provider with event like etherum#initialize
  • [x] Connnect and wait connection accepted
  • [x] Listensing on addreess or chain is changed
  • [x] Get Balance
  • [x] Use Metamask provider with web3
  • [x] Send transaction
  • [x] Sign data
  • [x] ethSign
  • [x] personalSign
  • [x] signTypedData