Rfcat python update

[letmeiiiin]

• Fix interactive rfcat shell by downgrading ipython to "8.10.0"
• Add Pipfile, Pipfile.lock
• Make Docker use Pipenv instead of requirements.txt
• Set fixed version for libs in requirements.txt

[letmeiiiin]

woops, wrong repo

[atlas0fd00m]

actually, i just pushed a fix for ipython and cut a release 2.0.1