Encourage use of automatic nag hook

[jcpunk]

The pre-commit documentation has instructions on how to enable automatic nagging on repos that have pre-commit support, but are not enabled.

[codecov]

Codecov Report

Merging #520 (6eccb71) into master (a4a7938) will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #520      +/-   ##
==========================================
+ Coverage   83.39%   83.42%   +0.03%     
==========================================
  Files          47       47              
  Lines        3089     3089              
  Branches      433      433              
==========================================
+ Hits         2576     2577       +1     
  Misses        473      473              
+ Partials       40       39       -1     

Flag	Coverage Δ
python-3.6	82.85% <ø> (ø)
python-3.9	83.02% <ø> (ø)
python-pypy-3.7	82.98% <ø> (ø)

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Impacted Files	Coverage Δ
src/decisionengine/framework/dataspace/maintain.py	99.05% <0.00%> (+0.94%)	⬆️

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