Implement hook health check

[j178]

Closes #14
Updates #675

[codecov]

Codecov Report

❌ Patch coverage is 66.01307% with 52 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.37%. Comparing base (7402b1e) to head (0d92d38).
⚠️ Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
src/store.rs	44.44%	15 Missing ⚠️
src/languages/pygrep/pygrep.rs	35.29%	11 Missing ⚠️
src/languages/mod.rs	41.66%	7 Missing ⚠️
src/languages/python/python.rs	87.23%	6 Missing ⚠️
src/hook.rs	88.46%	3 Missing ⚠️
src/languages/node/node.rs	72.72%	3 Missing ⚠️
src/languages/docker.rs	33.33%	2 Missing ⚠️
src/languages/docker_image.rs	0.00%	2 Missing ⚠️
src/languages/fail.rs	0.00%	1 Missing ⚠️
src/languages/script.rs	0.00%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #798      +/-   ##
==========================================
+ Coverage   89.22%   89.37%   +0.15%     
==========================================
  Files          59       59              
  Lines       10863    10941      +78     
==========================================
+ Hits         9692     9779      +87     
+ Misses       1171     1162       -9     

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