Fixes some warning issues with the documentation
This MR fixes some of the warnings in the documentation of beat, mainly because sphinxcontrip-httpdomain was not a part of all the conf.py existing in the repository. some PEP8 fixes as well.
This MR fixes some of the warnings in the documentation of beat, mainly because sphinxcontrip-httpdomain was not a part of all the conf.py existing in the repository. some PEP8 fixes as well.