Create base structure for HWCommunication and logic for react side

[osvaldovega]

This ticket is for implement the communication and src/utils/hwManager.js file with a basic structure.

What basic structure means:

• Create file under libs/hwManager/communication.js
• Create and export the need it function for communicate with the HWManager file
• Create a hwManager.js file under src/utils that will be on charge to have the logic for the interaction between the hw devices and the react app.

The functions that are need it for the communication with the HW Manager and devices are:

1. getPublickey
2. signTransaction
3. subscribeToDevicesList
4. onDeviceConnected
5. onDeviceDisconnected
6. executeCommand
7. CheckIfAppIsOpenForLedger

The functions that are need it for the hwManager.js file under src/utils are:

1. getAccounts
2. signSendTransaction
3. signVoteTransaction
4. CheckIfAppIsOpenForLedger