Create Breeze folder is it doesn't exist

Added TestNet to debug config

Retrieve coin type from DI

Feature/build transaction

Generate empty addresses when transactions are found 

Adding addresses when transactions are found so that we always have a 20 empty addresses buffer window

- Switched wallet interface to real API data
- Added basic validation
- Updated Angular

Feature/wallet recovery

Wallet recovery work

Changed the create address endpoint to be a get address so that either the last unused address or a newly created address will be returned to the caller

Added getting the balance for the user's accounts

Added get transactions history

Added Tracker object to manage syncing of blocks