Bug fixes

• Fix drush make base/sub profile directories structure
• Issue #2898577 Amend the demo content
• Issue #2898543 Handle book module values in demo content
• Issue #2898451 Vardoc Search is requiring Core "Search" module - while it should only use Search API

Doesn't break already external styles.

Initial beta release of project

Changes since 8.x-1.0-beta1:

Changes since 7.x-1.0-beta1: