[ARROW-15022] [R] install vignette and installation dev vignette need alt text for images

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: R
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/30540
• Assignee: Nicola Crane
• Reporter: Nicola Crane
• Created: 08/Dec/21 09:17
• Updated: 11/Jan/23 08:43
• Resolved: 17/Dec/21 16:43

Description

The installation docs have been updated recently, with images added, but there is no alt text to accompany them.  Alt text should be added to all images, and extra text should be added to the flowchart describing installation on Windows, given that it is too complex for a simple alt text description.

Issue Links

• links to: GitHub Pull Request #11972