build: bundles fns as individual modules (#49)

* creating a split & bundled builds that can be used
(include dist currently for testing, when merging add it back to ignore and remove it from github)

* changing package name to have less confusion in visualizer

* last one to include pre build

* removing pre build & preparing for pull request

* changed tsup config to have commonjs be build as a bundle like before to get the file size down
added exports for browser/unpkg