Create examples for configuration

[lbarcziova]

Fixes #415 Preview:

[softwarefactory-project-zuul[bot]]

Build succeeded.

:heavy_check_mark: pre-commit SUCCESS in 1m 54s :heavy_check_mark: hugo SUCCESS in 1m 08s

[softwarefactory-project-zuul[bot]]

Build succeeded.

:heavy_check_mark: pre-commit SUCCESS in 1m 51s :heavy_check_mark: hugo SUCCESS in 1m 21s

[softwarefactory-project-zuul[bot]]

Build succeeded.

:heavy_check_mark: pre-commit SUCCESS in 1m 17s :heavy_check_mark: hugo SUCCESS in 55s

[lbarcziova]

We could add FMF examples, although it would be a nightmare to maintain those here. Would it make sense to link to "https://tmt.readthedocs.io/en/stable/examples.html"?

You are right, there are also some examples in the Testing Farm section of the documentation. And I added that link to that section.

[softwarefactory-project-zuul[bot]]

Build succeeded.

:heavy_check_mark: pre-commit SUCCESS in 1m 41s :heavy_check_mark: hugo SUCCESS in 1m 01s

[softwarefactory-project-zuul[bot]]

Build succeeded (gate pipeline).

:heavy_check_mark: pre-commit SUCCESS in 1m 21s