Add suport for vagrant share

It be nice to have support for vagrant share.

https://www.vagrantup.com/docs/share/provider.html

==> default: Detecting network information for machine...
==> default: The provider this machine is backed by ('managed') doesn't
==> default: support telling Vagrant Share what address it is reachable at.
==> default: Vagrant Share will attempt to use 127.0.0.1 with forwarded ports
==> default: to find the address. Please contact the provider maintainer to fix
==> default: this error.
    default: Local machine address: 127.0.0.1
    default:
    default: Note: With the local address (127.0.0.1), Vagrant Share can only
    default: share any ports you have forwarded. Assign an IP or address to your
    default: machine to expose all TCP ports. Consult the documentation
    default: for your provider ('managed') for more information.
    default:

tknerr / vagrant-managed-servers

Add suport for vagrant share #57