Add elaboration

[Jiseeeh]

[!WARNING]
Most are tentative

• [x] elaborate the students note
• [x] allow to optionally add elaborated note to a page
• [x] tell to review, once done quiz

[Jiseeeh]

:tada: This issue has been resolved in version 1.4.0 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: