[French] Web Accessibility Perspectives Videos

[remibetin]

Original version: https://www.w3.org/WAI/perspective-videos/

Main contributors: Soahmed2031 & @remibetin

PRs opened:

• https://github.com/w3c/wai-perspective-videos/pull/43
• https://github.com/w3c/wai-website-data/pull/107

Next steps:

• [x] Careful review (in progress)
• [x] Translation notes are needed:
  • [x] Adding VTT files in a new language
  • [x] In index.xx.md, add language shortcode at the end of the perspective videos links (automatic language switch is not working)
• [ ] #121