Merges documentation changes from Cullen into pre-release branch

[slacrherbst]

This PR merges in the documentation changes made between December and June.

This also adds the auto documentation feature which can be used to generated project specific documentation pages.

[codecov-commenter]

Codecov Report

Merging #891 (6ed35d4) into pre-release (d949ac4) will decrease coverage by 0.28%.
The diff coverage is 8.39%.

@@               Coverage Diff               @@
##           pre-release     #891      +/-   ##
===============================================
- Coverage        23.95%   23.66%   -0.29%     
===============================================
  Files               70       70              
  Lines             7539     7665     +126     
  Branches          1241     1146      -95     
===============================================
+ Hits              1806     1814       +8     
- Misses            5615     5733     +118     
  Partials           118      118              

Impacted Files	Coverage Δ
python/pyrogue/_Block.py	49.39% <ø> (ø)
python/pyrogue/_DataReceiver.py	24.48% <ø> (ø)
python/pyrogue/_DataWriter.py	35.13% <0.00%> (ø)
python/pyrogue/_Memory.py	21.56% <ø> (ø)
python/pyrogue/_Model.py	72.16% <ø> (ø)
python/pyrogue/_Node.py	47.10% <ø> (ø)
python/pyrogue/_PollQueue.py	80.00% <ø> (ø)
python/pyrogue/_Process.py	15.06% <ø> (ø)
python/pyrogue/_Root.py	49.25% <ø> (ø)
python/pyrogue/_RunControl.py	22.85% <ø> (ø)
... and 4 more

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