Follow these steps when adding/upgrading the fluent-react.js module:

1. git clone https://github.com/projectfluent/fluent.js - clone the repo
2. checkout the tag for the version to update
3. build bundles:
  3.1. npm install
  3.2. make deps
  3.3. make
4. cp fluent-react/fluent-react.js $DEST_DIR - copy fluent-react to Firefox source tree
5. in fluent-react.js, prepend "devtools/client/shared/vendor/" to the require calls
  require('fluent') should be require('devtools/client/shared/vendor/fluent')
  require('react') should be require('devtools/client/shared/vendor/react')
  require('react-prop-types') should be require('devtools/client/shared/vendor/react-prop-types')
6. cp fluent-react/node_modules/fluent/fluent.js $DEST_DIR - copy fluent to Firefox source tree
7. update the version below

The current version is 0.7.0
