fix: expand lint-staged, use eslint cache

[anshumanv]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

Since prettier is run across the whole repo as part of the lint job, this ensures that the files get run by the commit hook

Breaking Changes

no

Additional Info

[codecov]

Codecov Report

Merging #880 (1f38990) into master (36e04ab) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #880   +/-   ##
=======================================
  Coverage   91.28%   91.28%           
=======================================
  Files           6        6           
  Lines         792      792           
  Branches      214      214           
=======================================
  Hits          723      723           
  Misses         63       63           
  Partials        6        6           

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