Update Dart Docs

[PeloWriter]

Update Dart docs using the same structure as the Flutter docs update.

Originally posted by @marandaneto in #3187 (comment)

[github-actions]

This issue has gone three weeks without activity. In another week, I will close it.

But! If you comment or otherwise update it, I will reset the clock, and if you label it Status: Backlog or Status: In Progress, I will leave it alone ... forever!

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"A weed is but an unloved flower." ― Ella Wheeler Wilcox 🥀

[marandaneto]

@imatwawana Hi, Would you like to help us out on that? Adding the new format for the Dart docs with the integration list and features list, We could help/review also the technical bits, thank you.

[imatwawana]

@imatwawana Hi, Would you like to help us out on that? Adding the new format for the Dart docs with the integration list and features list, We could help/review also the technical bits, thank you.

Do you have a time frame that you want this done within? If it's urgent, I don't know if I can make it happen as soon as you need. If it's not, then I can probably fit it in.

[marandaneto]

@imatwawana no hard deadline on that, feel free to fit it in on your own schedule, thanks a bunch.