Accessibility: Add WCAG accessibility issue automation
Created by: umpox
Description
This PR adds:
- An issue template to make it as straight forward as possible to create new accessibility issues that are attached to our tracking issues and GH boards
- Board automation to automatically add these GH issues to the Accessibility GH board for further tracking
Flow
- Developer notices an issue when following the self-audit documentation. The documentation links them to the GitHub issue template
- Issue is created with correct labels and base estimate
- Issue automatically attached to tracking issue
- Issue automatically added to GH board.
Tracking Issues
Each step of the WCAG effort has its own tracking issue: Planning, Auditing, Fixing.
GH Board
Board: https://github.com/orgs/sourcegraph/projects/238
Each step of the WCAG effort has its own view
Test plan
Create an issue, expect it to be added with the correct labels and attached to the board
closes https://github.com/sourcegraph/sourcegraph/issues/31236