fix(esm): fix ESM types by adding esm/index.d.mts

[remarkablemark]

What is the motivation for this pull request?

Fixes #205

• Fix ESM types by adding esm/index.d.mts
• Remove unnecessary types fields in package.json

What is the current behavior?

ESM types are wrong

What is the new behavior?

Export esm/index.d.mts

Checklist:

• Conventional Commits
• Tests
• Documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7201290) 100.00% compared to head (73ae1d4) 100.00%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #207   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines           18        18           
  Branches         5         5           
=========================================
  Hits            18        18           

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[remarkablemark]

Release:

• chore(master): release 1.0.5 #208 (comment)