Data structure docs

[olynch]

Continuation of #232.

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Codecov Report

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

Project coverage is 81.17%. Comparing base (0b2e6c9) to head (f7e9946). Report is 19 commits behind head on ale/3.0.

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Additional details and impacted files

@@             Coverage Diff             @@
##           ale/3.0     #245      +/-   ##
===========================================
+ Coverage    81.06%   81.17%   +0.10%     
===========================================
  Files           19       18       -1     
  Lines         1500     1498       -2     
===========================================
  Hits          1216     1216              
+ Misses         284      282       -2     

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Benchmark Results

	egg-sym	egg-cust	MT@f7e9946c115...	MT@0b2e6c9f11b...	egg-sym/MT@f7e...	egg-cust/MT@f7...	MT@0b2e6c9f11b...
egraph_addexpr	1.46 ms		5.13 ms	5.15 ms	0.285		1
basic_maths_simpl2	12.4 ms	4.87 ms	20.4 ms	20.2 ms	0.61	0.239	0.992
prop_logic_freges_theorem	2.49 ms	1.52 ms	1.07 ms	1.06 ms	2.32	1.42	0.993
calc_logic_demorgan	60.1 μs	35 μs	77 μs	78.7 μs	0.78	0.454	1.02
calc_logic_freges_theorem	21.7 ms	11.8 ms	43.1 ms	42.6 ms	0.503	0.273	0.986
basic_maths_simpl1	5.96 ms	2.75 ms	4.73 ms	4.76 ms	1.26	0.581	1.01
egraph_constructor	0.0849 μs		0.0917 μs	0.0923 μs	0.926		1.01
prop_logic_prove1	35 ms	13.9 ms	43.3 ms	42.9 ms	0.808	0.32	0.99
prop_logic_demorgan	78.4 μs	44.7 μs	96.8 μs	97.5 μs	0.81	0.462	1.01
while_superinterpreter_while_10			18.3 ms	18.5 ms			1.01
prop_logic_rewrite			122 μs	121 μs			0.992
time_to_load			116 ms	116 ms			1

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR. Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).