update: roll-up setting for better tree shaking

[lifeisegg123]

Adding preserveModules: true to rollup.config.js and sideEffects: false to package.json

[codecov[bot]]

Codecov Report

Merging #11 (a93f360) into main (a94899a) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##              main       #11   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           16        16           
  Lines          515       515           
  Branches       117       117           
=========================================
  Hits           515       515           

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