Add all rules to README documentation

[fain182]

Added documentation for two rules that were implemented but missing from the README:

• IsA: checks if a class inherits from or implements a given class/interface
• MatchOneOfTheseNames: checks if class name matches one of multiple patterns

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.76%. Comparing base (d1bff3c) to head (435bb8d).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #558   +/-   ##
=========================================
  Coverage     97.76%   97.76%           
  Complexity      619      619           
=========================================
  Files            79       79           
  Lines          1788     1788           
=========================================
  Hits           1748     1748           
  Misses           40       40           

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