chore: add yamlfix

[JP-Ellis]

📝 Summary

Adding YamlFix to lint and format YAML files automatically.

🚨 Breaking Changes

🔥 Motivation

Help ensure consistency of YAML files

🔨 Test Plan

As part of pre-commit and CI, no other test needed.

🔗 Related issues/PRs

None

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78%. Comparing base (6166e2e) to head (d4913d1).
Report is 2 commits behind head on master.

Additional details and impacted files

@@          Coverage Diff          @@
##           master   #871   +/-   ##
=====================================
  Coverage      78%    78%           
=====================================
  Files          30     30           
  Lines        3365   3365           
=====================================
  Hits         2634   2634           
  Misses        731    731           

Flag	Coverage Δ
examples	59% <ø> (ø)
tests	75% <ø> (ø)

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🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests