Allow jq path to relevant section of JSON

[mrseanryan]

Currently we hard code the path to the relevantpart of the JSON file.
So for most users they need to tweak the python script to be able to parae JSON files

An improvement would be to allow user specify a jq path to the JSON part that contains XPath

using something like
https://pypi.org/project/pyjq/#:~:text=jq%20is%20like%20sed%20for,let%20you%20play%20with%20text.&text=You%20can%20seamlessly%20call%20jq,a%20plain%20python%20data%20structure.