Add plot moc method

[smcguire-cmu]

Adds plot_moc method to catalog

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.67%. Comparing base (f5a3e20) to head (3d3e7c5). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #491 +/- ## ======================================= Coverage 97.67% 97.67% ======================================= Files 39 39 Lines 1546 1550 +4 ======================================= + Hits 1510 1514 +4 Misses 36 36 ```

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[github-actions[bot]]

Before [f5a3e205]	After [1b49fc70]	Ratio	Benchmark (Parameter)
109±2ms	116±5ms	1.06	benchmarks.time_kdtree_crossmatch
14.7±0.03s	14.7±0.04s	1	benchmarks.time_create_large_catalog
2.19±0.02s	2.18±0.02s	0.99	benchmarks.time_create_midsize_catalog
33.3±0.8ms	32.5±0.6ms	0.98	benchmarks.time_polygon_search
17.8±0.9ms	17.1±0.7ms	0.96	benchmarks.time_box_filter_on_partition

Click here to view all benchmarks.