v0.6.0 Release

Feature

1. Some UI/UX optimize
2. Alert user when MetaMask and Rabby active same time in bottom of home page
3. The first input of form will be auto-focus now
4. You can click 「Enter」to go next step when initialize your wallet

Fix

1. Fix sometimes can not sign with Ledger via WebUSB
2. Fix pending transaction API will call multi-times when home page open