Add option to run wireguard tunnel over websockets

[mevansam]

Allow creating a wireguard tunnel over a websocket.

See following:

• https://github.com/erebe/wstunnel
• https://github.com/jnsgruk/wireguard-over-wss

[mevansam]

Depends on https://github.com/appbricks/bastion-image/issues/7