Adds defaults vs vars section to roles workshop solution doc.
Adds defaults vs vars section to roles workshop solution doc.

thisdavejohnson/lightbulb,ansible/lightbulb,ansible/lightbulb,tima/lightbulb,tima/lightbulb,tima/lightbulb,ansible/lightbulb,thisdavejohnson/lightbulb,ansible/lightbulb