Comparison operators which compared against every class member variable
now use C++20's default comparison operators.
Also remove operator!= that in C++20 is now auto-generated from operator==.
This is an API for looking up a Pose3d from a tag id, and includes functionality to load that map from a JSON file.
This also adds JSON support to Pose3d, Rotation3d. Translation3d, and Quaternion.
Co-authored-by: Tyler Veness <calcmogul@gmail.com>
Co-authored-by: AMereBagatelle <themerebagatelle@gmail.com>
