MNT: Add and apply pre-commit configuration

[effigies]

Closes #1168.

[codecov]

Codecov Report

Base: 92.38% // Head: 92.38% // No change to project coverage 👍

Coverage data is based on head (8f8cae3) compared to base (8f8cae3).
Patch has no changes to coverable lines.

❗ Current head 8f8cae3 differs from pull request most recent head ab00ba5. Consider uploading reports for the commit ab00ba5 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1169   +/-   ##
=======================================
  Coverage   92.38%   92.38%           
=======================================
  Files          98       98           
  Lines       12257    12257           
  Branches     2520     2520           
=======================================
  Hits        11324    11324           
  Misses        612      612           
  Partials      321      321           

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[effigies]

LGTM. I broke it up so that the configuration changes are not in the same commits as the style changes. Please merge if you're happy with this.

[ZviBaratz]

Thank you! I'll work on improving the granularity of my commits.