Implement Process 2021

[plehegar]

• Process 2021 in place (@plehegar)
• supersede Process 2020 (@plehegar)
• Update https://www.w3.org/standards/types (@plehegar) P2021 standards/types tr-pages#96
• Update Process for Busy People (?)
• Backgrounder for Process/PP2021 (@@)
• Transition requirements (@plehegar)
• Pubrules (@deniak, @jennyliang220 )
• IPP pages (new Process) (@deniak)
• WBS AC forms update: Registries, Statements
• Echidna support for Registries (@deniak) Implement Draft Registry, Candidate Registry [Snapshot|Draft] echidna#970
• Publication database and /TR history pages update for Notes/Registries/Discontinued ()
• Templates containing new status/style/SOTD for /TR documents in Registries, Notes, Discontinued (@plehegar ) https://w3c.github.io/tr-design/p2021mockup/
• Draft announcement (@plehegar)
• Send announcement to Members/Chairs/AB/TAG (@koalie)
• Forward announcement to public-w3process@w3.org (@koalie)
• Post homepage news + other promotion (@koalie)
• Bikeshed update (@plehegar)
• ReSpec update https://github.com/w3c/respec/pull/3848 (@marcoscaceres)
• Update team mail templates (@koalie)
• Charter creation (@plehegar)
• Charter template (@plehegar)
• Contact relevant partner orgs to let them know of the updates (team-liaisons?)
  (NOTE: this is ongoing process in preparation of Process 2021 deployment)

[koalie]

@plehegar could you please "supersede" process 2020 please? (we had this as part of the first todo element but only the first part of it was done; I've made the superseding its own item just now) #kthx!

[plehegar]

done. https://www.w3.org/2020/Process-20200915/