Pretty print for circuit and patterns

[benjvmin93]

Describe the feature you'd like
A nice way to print Circuit and Pattern objects.

1. Ascii art (for circuits only)
2. LaTeX representation (using Quantikz package for circuits or qpic package)

See QIP renderers section from QuTiP paper: https://arxiv.org/abs/2412.04705
See also: https://github.com/qpic/qpic

Ongoing work at: https://github.com/benjvmin93/graphix/tree/pretty-print

[thierry-martinez]

Closed by #277.