Migrate tasks and bugs to GitHub

[dashohoxha]

Create a issue on GitHub for each task or bug, and label it properly.

• [ ] https://sourceforge.net/p/brlcad/bugs/?limit=250
• [ ] https://github.com/BRL-CAD/brlcad/blob/main/BUGS
• [ ] https://github.com/BRL-CAD/brlcad/blob/main/TODO
• [ ] https://brlcad.org/~sean/ideas.html
• [ ] https://brl-cad.github.io/wiki/tasks/
• [ ] https://brlcad.org/wiki/Online_Geometry/TODO

[Not-Super-Nova]

This might be a good jumping-off point? https://github.com/ttencate/sf2github