Implementing TiLT

[plehegar]

• [x] Section 4 and 5 in How to Create a Working Group or Interest Group
• [ ] W3M Agenda page and W3M internal page
• [x] Add documentation about TiLT in Guidebook.
• [ ] Ensure proper Github notifications and digests are dispatched to w3m
• [ ] Check Section 6.2 and 6.4 in Team Guidebook
• [ ] Update How the Team handles a Submission request

[plehegar]

[[ The mission of the TiLT is to make technical team decisions described in the W3C Process. ]] https://www.w3.org/Guide/process/tilt/