Add Roundup Issue Tracker to misc section

[rouilj]

Please consider adding the Roundup Issue Tracker to your list.

What is this Python project?

Roundup is an issue-tracking system that boasts a user-friendly interface and easy installation process. It offers a range of interfaces, including command-line, web, REST, XML-RPC, and e-mail, making it a versatile solution for issue tracking.

What's the difference between this Python project and similar ones?

Roundup is highly customizable, allowing users to tailor the system to their specific needs and preferences. The schema, html markup, and business rules can all be customized.

It was started in 2001 and has stood the test of time including use as the main tracker (bugs.python.org) for the Python language from 2006-2021ish.