added vagrantfile

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
add readme for vagrant

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
fix the vagrant box identifier (it's 32bit, not 64bit)

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #2 from TelekomLabs/vagrant

feature: Vagrant example