Document v6 changes

[edalzell]

Make those v6 Docs super duper noice...

[edalzell]

@adnankussair @hollychovan I updated the field and new timezone param. We'll want to update the example calendar code too, once Marco is finished.

[adnankussair]

@edalzell Did you get the docs updated with the latest new features stuff and any cleanup from your end before we go through our cleanup & improvement process?

[edalzell]

@edalzell Did you get the docs updated with the latest new features stuff and any cleanup from your end before we go through our cleanup & improvement process?