* Created initial layer0 sdk
* Updated layer1 to use layer0
* Updated layer2 to accept and pass blogUrl to layer1
* Updated theme-dropin to pass blogUrl to layer2
* Updated yarn.lock
* Added WIP drop-in script for prototype
* Cleaned up theme dropping script module
- Updated layer2 to work with reload as an option, as well as sign-in cta on the page
* Handle cat failure
* Updated SDK data attires
* Used commonjs exports
* Used browserify for the build