Revamped output module build process

• Use tsdx to generate output modules to be used in different environments.

v3.1.0

Release 3.1.0 (#63)

* Add Breathing loader

* Refactor Shimmer loader

v2.0

Introducing V2 ⭐️

• New fallback prop to render your own loader component. react-shimmer will handle the async loading and decoding internals.
• Promise cancellation. We now forcefully cancel the old promises when a new image is requested.
• The component can be used without width and height props.
• loadingIndicatorSource string prop has been removed in favor of fallback.
• duration prop has been converted to milliseconds(ms).
• ...plus various fixes.

Try it out!