New: Migration scripts added to repo (fix #109)

[swashbuck]

Fix #109

Part of adaptlearning/adapt_framework#3631

New

• Migration scripts added to repo

Migration milestones

Before v4.0.0, the schema only contained an empty config object.

4.0.0

• Added hideFeedback global
• Added component _tutor object property
  • Added _type
  • Added _textButton. Note that this was changed to _button (see below)
    • Added _isEnabled. Note that this was removed below, so not including it in the scripts
    • Added text

4.0.0 - Different commit but same tag.

• For component _tutor object property:
  • Added _classes
  • Added _hasNotifyBottomButton
  • Changed _textButton to _button
    • Change text default value
    • Added ariaLabel
    • Removed _isEnabled

4.1.0

• Added course _tutor object property
  • Added _type
  • Added _classes
  • Added _hasNotifyBottomButton
  • Added _button
    • Added text
    • Added ariaLabel
• Added component _tutor object property
  • Added _isInherited. Changes default in same tag.

[swashbuck]

Ready for review.