Additional help text

[brianhogg]

• Get the admin table JS minifying

Description

• Added back a video thumbnail that links to the Getting Started article on lifterlms.com
• Added note under Checkout and Dashboard pages selection dropdown with the required shortcode or block
• Added Launch Course Builder to the WP Admin Bar when viewing a course
• Added Launch Course Builder button when using the Classic Editor, beside “Add Course” button
• Added “Clear cache” button on admin reporting page

Refs #2625

How has this been tested?

Manually

Screenshots

Types of changes

Checklist:

• This PR requires and contains at least one changelog file.
• My code has been tested.
• My code passes all existing automated tests.
• My code follows the LifterLMS Coding & Documentation Standards.