C bindings for Skycoin hardware wallet .

[isaacvr]

Feature description

C bindings for Skycoin hardware wallet .

Describe the solution you'd like
Add methods to invoke in-process the commands defined in skycoin/hardware-wallet-go .

Describe alternatives you've considered
Maybe there is a similar C library for Trezor but using it leads to duplicated maintenance efforts

Additional context
This belongs in separate library

Possible implementation

• skycoin/hardware-wallet submodule
• cgo wrappers
• Makefile targets
• SWIG typemaps and interfaces
• C test code