merge from arlac77/npm-package-template-esm-only

[arlac77]

package.json

• chore(package): add npm-package-template (keywords)
• docs(package): remove keyword npm-package-template

[codecov]

Codecov Report

Merging #141 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #141   +/-   ##
=======================================
  Coverage   98.09%   98.09%           
=======================================
  Files           1        1           
  Lines         105      105           
  Branches       12       12           
=======================================
  Hits          103      103           
  Misses          2        2

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