tool for authoring Sphinx themes with a simple (opinionated) workflow

 streamline the Sphinx theme development workflow, by building upon existing
 standardised tools.
 .
 sphinx themes builder has the following features:
    * simplified packaging experience
    * simplified JavaScript tooling setup
    * development server, with rebuild-on-save and automagical browser reloading
    * consistent repository structure across themes
 .
 This package installs the library and `stb` helper script for Python 3.