kirk documentation in LTP doc

[pevik]

Add to LTP documentation page about kirk:

https://github.com/linux-test-project/kirk https://pypi.org/project/kirk/

Cyril's talk about kirk and related things https://www.youtube.com/watch?v=T1ImuNr9Oxo (see https://lore.kernel.org/ltp/ZmlT9Dgcx3FkZLVr@rei/)

And long term goal would be to have explanation, fragments already posted: https://lore.kernel.org/ltp/ZmbFyjuXndeXCLp8@rei/ https://lore.kernel.org/ltp/ZmM25L0EmJufsS-f@yuki/ https://lore.kernel.org/ltp/ZmMrBnkIXKfrF8Xv@yuki/ https://lore.kernel.org/ltp/ZmM5y3a4xNCsRTT-@yuki/

[acerv]

We have something now https://kirk.readthedocs.io/en/latest/