Packages version by NPM and Actions, also improve Readme

Thanks for help @devtechk

v2.1.1

special thanks @pxladin

Fixed bug with UglifyJS and WebPack

Was propose a new algorithm to optimize functions and run in browser or node with same code.

Changes:

• Removed index.js
• created file image-to-base64.min.js
• main of package.json to image-to-base64.min.js
• refactored all file image-to-base64.js
• validate if is Browser or NodeJS
• code more separate by small functions
• removed const
• removed arrow functions

1.3.5

Was fixed a bug of validation regex.

Code with more quality

Was improvement the code, with the support of system codacy.

Stable version to web and nodejs

1.3.0

Update README.md