Dataset factory method

[camposandro]

Creates a factory method to read appropriately-typed datasets according to information in their catalog_info. A catalog can now be instantiated with hc.read_from_hipscat("/path"). Closes #190.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (cb38ea3) 99.94% compared to head (c33a552) 99.94%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #216   +/-   ##
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  Coverage   99.94%   99.94%           
=======================================
  Files          55       57    +2     
  Lines        1954     1976   +22     
=======================================
+ Hits         1953     1975   +22     
  Misses          1        1           

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Before [cb38ea3]	After [a3a5547]	Ratio	Benchmark (Parameter)
19.8±0.5ms	20.0±0.2ms	1.01	benchmarks.MetadataSuite.time_load_partition_info_order6
81.0±1ms	81.5±0.8ms	1.01	benchmarks.MetadataSuite.time_load_partition_info_order7
80.1±0.3ms	80.1±0.4ms	1	benchmarks.MetadataSuite.time_load_partition_join_info
652±3ms	648±2ms	0.99	benchmarks.Suite.time_pixel_tree_creation
126±0.5ms	125±0.6ms	0.99	benchmarks.time_test_alignment_even_sky
98.6±0.9ms	97.6±0.6ms	0.99	benchmarks.time_test_cone_filter_multiple_order

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