feat: improve exports manifest

[beeequeue]

What is the motivation for this pull request?

Closes #1058

What is the current behavior?

Some bundlers may bundle the wrong code for node vs. browsers.

What is the new behavior?

Bundler have more standardized information to use to determine what files to use.

Checklist:

• Conventional Commits
• Tests
  • Added publint for this

[remarkablemark]

LGTM

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.10%. Comparing base (d01523b) to head (c1e1f8d).
Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1059   +/-   ##
=======================================
  Coverage   93.10%   93.10%           
=======================================
  Files           7        7           
  Lines         145      145           
  Branches       30       30           
=======================================
  Hits          135      135           
  Misses          8        8           
  Partials        2        2           

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