* Add doc page for Named Arguments

* Implement minor stylistic changes

* Update docfx.json to support NS2.0

Signed-off-by: Still Hsu <5843208+Still34@users.noreply.github.com>

* Fix broken xref in basic-operations

* Fix broken crefs

* Fix wordings in named argument

* Fix misleading warning about long-running code

* Fix misleading CommandService summary

Signed-off-by: Still Hsu <5843208+Still34@users.noreply.github.com>

* Update copyright year and version

Signed-off-by: Still Hsu <5843208+Still34@users.noreply.github.com>

* Escape example captions

* Add warning regarding FlattenAsync for GetReactionUsersAsync

* Fix a minor grammar mistake

Co-authored-by: Joe4evr <jii.geugten@gmail.com>