* chore: update .nvmrc
* added prettier and pre-commit hooks
* update docker image to new node
* add karma-cli to get web tests working
* explictly install karma... seems to fix problem
* remove pre-built phantomjs
* swap install order
The goal here is to provide some sort of relatively easy preview for the
PR reviewer to see if the fixture looks good, if the parsing is working,
and to make suggestions easily.
