Add alt text for images within a question
Context
As part of HHMI's accessibility requirements, all images should have alt-text. Questions authors (and anyone who has the permission to edit a question) needs a way to provide the alt text.
Proposal
Add a field in the editor to provide alt-text
Have a look at this example question: https://hhmi.cloud68.co/question/2db4fdba-b5a5-4235-b336-fed9677cfc10
Design
Follow the current design for adding captions. Add an addition field Alternative text:
below caption.
Implementation (if applicable)
[A description of the steps to implement the feature.]
Alternative approaches (if applicable)
[Include any alternatives to meet this use case.]
Open issues (if applicable)
[Links to and a discussion of related issues, if applicable.]