feat(plugin): add hook for tunnel
feat(plugin): add hook for tunnel

This will enable us to remove tunnel-ssh from the
core and allow developers to even place different
tunnel methods, i.e. proxies or vpns to be put in
place.

Signed-off-by: Tobias Gurtzick <b40981aab75932c5b2f555f50769d878e44913d7@wizardtales.com>

db-migrate/node-db-migrate,db-migrate/node-db-migrate