* add theme registry documentation, update base readme

* Add start of a customize routine to components

* make customize function work with some demos

* start of documentation files plus updates to compose

* update documentation for composable

* Add some compose documentation

* add ToDo items in compose

* Copy over build logic from fabric

* get new build logic partially working

* making demo app webpack work (#2)

* add webpack configs and fix yarn start

* fix jest tests

* move to common webpack definition

* remove old rush based commands

* remove mustache codegen from repo

* manually update versions

* comment

* Change files

Incorporated icon and headerText props with the develop branch