* add react-testing-library documentation/examples

* make react-testing-library a heading

* fix typo

 - babel-preset-react-app@5.0.3
 - create-react-app@2.0.3
 - react-dev-utils@6.0.4
 - react-error-overlay@5.0.4
 - react-scripts@2.0.4

* Add `.mjs` support back to webpack, because webpack was not the problem

* Continue toggling `.mjs` to `javascript/auto` mode

* Be more inline with the specification

* Bump old Node to 6

 - babel-plugin-named-asset-import@0.2.2
 - babel-preset-react-app@5.0.2
 - confusing-browser-globals@1.0.3
 - create-react-app@2.0.2
 - eslint-config-react-app@3.0.3
 - react-app-polyfill@0.1.3
 - react-dev-utils@6.0.3
 - react-error-overlay@5.0.3
 - react-scripts@2.0.3

* Adds instructions to create a Bootstrap theme with Sass

* Update README.md

* Update README.md

* Update README.md

 - babel-plugin-named-asset-import@0.2.1
 - babel-preset-react-app@5.0.1
 - confusing-browser-globals@1.0.2
 - create-react-app@2.0.1
 - eslint-config-react-app@3.0.1
 - react-app-polyfill@0.1.2
 - react-dev-utils@6.0.2
 - react-error-overlay@5.0.2
 - react-scripts@2.0.2

* Adds the PnP plugin for Webpack to find dependencies when working under PnP

* Adds configuration for jest

* Adds an e2e test for when using PnP

* Avoids cra from crashing at the engine check

* Avoids cra from crashing when initializing react-scripts

* Makes the ownPath portable

* Fixes linting

* Bumps to pnp-webpack-plugin@1.1.0, removes symlinks: false

* Adds a --use-pnp option

* Pin version

* Document importing SVGs as React components

* Update README.md

* Format SVG React snapshots as <svg> tag with props

* Keep output simpler

Replace `src/setupTests.js` with `src/setupProxy.js`.

* Updates to README to reflect Workbox usage.

* Update README.md

* Update README.md

* Only install react-scripts in CI mode

* Link locally

* Re-enable all output tests

*  Polish webpack output

* Test sass support message

* Add more tests, but disabled

* Format missing default export error

* Format aliased import

* Why was node-sass required? Odd

* Format webpack rejection error

* Re-enable unknown package test

* Format file not found error and catch module scope plugin error

* Re-disable case sensitive paths

* Intercept and format case sensitive path errors

* Test out of scope message formatting

* Run behavior on macOS

* Run behavior on Node 8 and 10, only Node 8 for macOS

* Add some debugging

* Update matcher

* Only check stderr

* Remove old snapshot

* More debug

* Remove debug

* Add new debug

* Disable test on linux

* Add comment for future

* Remove thread-loader
After the cache is warm, it is possible for thread-loader to hurt speed

* Disable babel output formatting

* Add additional troubleshooting for Github Pages

* Update README.md