Create recipe(s) to demonstrate new features of Robot Framework 6 syntax

[adrianyorke]

[adrianyorke]

Release notes are available here:
https://github.com/robotframework/robotframework/blob/master/doc/releasenotes/rf-6.0.rst

WITH NAME changing to AS is an example of a simple test case that could be added:
"WITH NAME is considered deprecated, but there will not be visible deprecation warnings until Robot Framework 7.0."