WIP: implement symbol properties

[Milly]

Implements to these functions:

• isIntersectionOf
• isObjectOf
• isOmitOf
• isPartialOf
• isPickOf
• isReadonlyOf (Maybe not necessary)
• isRecordObjectOf
• isRecordOf
• isRequiredOf
• isStrictOf

Refs #94, #95

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.98%. Comparing base (f1c49f5) to head (8c2d915).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #96   +/-   ##
=======================================
  Coverage   97.98%   97.98%           
=======================================
  Files          50       50           
  Lines         794      794           
  Branches       85       85           
=======================================
  Hits          778      778           
  Misses         16       16           

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[Milly]

@lambdalisue
I created this PR as a working branch to merge multiple changes. Can you create the same branch in your repository? I want to make multiple small PRs against into this PR.

[lambdalisue]

@Milly Instead, I invited you as "Maintainer" of this repository 👍

[Milly]

Impliments in #97