docs: Document the owner for this repo.

[feanil]

This repo will eventually be folded into frontend-base but for now it
should be maintained by the same folks as frontend-platform and other
core dependencies for MFEs.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.03%. Comparing base (0eca27c) to head (2965eb7).
Report is 7 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #43   +/-   ##
=======================================
  Coverage   87.03%   87.03%           
=======================================
  Files           7        7           
  Lines          54       54           
  Branches        5        5           
=======================================
  Hits           47       47           
  Misses          7        7           

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