Revise Venia Theme project Setup topic

[jcalcaben]

This issue is a:

[ ] Bug [ ] New Topic Request [X] Topic Clarification Request [ ] New Feature Request [ ] Other

Description:

The Setup page for the Venia Theme project is missing some information or suggesting an inferior way of doing things.

Steps to Reproduce

1. Navigate to the Venia Theme Setup page
2. Read about an inferior way of setting up when using a Vagrant box
3. Notice a missing step of installing/compiling the module

Expected Result:

Setup topic is more complete and accurate.

Possible Solutions:

• Add note to Vagrant Box instructions about cloning the venia project repo in the magento2ce directory to skip having to modify the Vagrantfile to add synced folders
• Add step of installing/enabling the module using the commands:
  • bin/magento module:enable
  • bin/magento setup:upgrade

Additional Information:

This issue is based on feedback from @paliarush