labs-vcluster-testing:2.0

Cleaned up workshops so that there's only the basic 5 vcluster workshops:

These are using educates 3.5.1 builtin vcluster and vcluster extension package 0.30.x

• Default vcluster
• Default vcluster with all possible functionality
• Deploying vcluster from a regular session
• Deploying vcluster from the builtin vcluster
• Add additional resources to the builtin vcluster (3 different ways)