Finalise browser support table and get feedback

[romaricpascal]

What

Finalise the draft presenting our browser support table (not public) and present it to gather feedback.

Why

We've come up with a strategy for supporting evergreen browsers. We need to polish it and check that it doesn't present any hurdles for the services that use GOV.UK Frontend

Who needs to work on this

Developers, Technical writers

Who needs to review this

Developers, Technical writers

Done when

• We are done editing our current browser support table
  • We've sorted the comments in the current document
  • We've made sure it presents the situation for both JavaScript and CSS
• We've shared it for feedback
• We've decided where and how to publish it