Initial inclusion of python-waitress
Summary:
Initial inclusion of python-waitress
Necessary to build and run new Anki version
Test Plan: Built and ran new anki version with this dependency
Reviewers: Triage Team, JoshStrobl
Reviewed By: Triage Team, JoshStrobl
Subscribers: JoshStrobl
Differential Revision: https://dev.getsol.us/D9337