resolved browser entrypoint issue

[odahcam]

The old browser entry point was causing some confusion to module bundlers which didn't prefer bundling from the actual module entry point. The old browser entry point was removed since all entrypoint are meant to work on browsers and so on the bundlers can make better choices.

A unpkg entry point was added since UNPKG makes a big part in the usage of this lib.

Reference content about package.json entry points:

• https://docs.npmjs.com/cli/v7/configuring-npm/package-json
• https://areknawo.com/whats-what-package-json-cheatsheet/

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Many thanks to for sponsoring this PR. 💙🐇

[fydelio]

Hey @odahcam

Many thx for making a push on this topic and we from Timly are happy to sponsor this PR and in general your work.
FYI: This solution will solve the issue reported here: #37. @cis-deepesh was working with me on the exact this "reported" problem.

Philipp