transfer checklist to W3C TR format.

[ghurlbot]

Opened by @ruoxiran via IRC channel #fast-plan on irc.w3.org

Due: 2023-08-17 (Thursday 17 August)

[ruoxiran]

created at: #15

[ruoxiran]

preview: https://raw.githack.com/w3c/fast/checklist-W3C-format/checklist.html

[mgifford]

That's live here, right https://w3c.github.io/fast/

W3C Editor's Draft 26 August 2024