Just doing this to try to get buildbot to spit out a build with new code for #422

* Removed handlebars Plugin, upgraded to Webpack 4, use Dotenv, fix HTTPS

* Remove webpack.dev.js

* Add git repository to package.json

* Basic onboarding scaffolding.

* Update aframe dep and yarn.lock.

* Make handlebars template plugin more flexible. Add crc hash to urls. Add origin trials. Add smoketest.

* Add origin trial token documentation

* Update readme to use crc hash.

* Correct smoketest urls.

* Move templatre generation into common and add env var to generate smoke tests.

* Move vendor assets into separate bundle. Clean public directory on build. Extract and optimize css. Move back to Uglify.

* Fix extract text plugin in dev.

* Update CONFIG comment

* Added webpack file loader and lobby background.

* Copy assets directory into public folder on build. Fix file-loader config to point at copied folder.

* Fix for webpack-dev-server when copying assets.

* Fix setting environment variables on windows.

* Add HandlebarsTemplatePlugin and asset helper.

* Recompile on template change.

## [Docs] README.md - content, separators, thumbnail, ToC, styling

<sub><b>the current PR does basically aim at:</b></sub>
- <sub><i>improving content</i></sub>
- <sub><i>separators</i></sub>
- <sub><i>thumbnail</i></sub>
- <sub><i>ToC</i></sub>
- <sub><i>styling</i></sub>

---

<sub><b>let's make the web better bit by bit!!!</b></sub>

<img src="https://orig00.deviantart.net/5b95/f/2016/070/3/b/mit_license_logo_by_excaliburzero-d9ur2lg.png" width="70"></img> <img src="https://pbs.twimg.com/profile_images/821735271049768960/jJZXlJwZ.jpg" width="50"></img> <img src="https://i.vimeocdn.com/portrait/8650129_300x300" width="50"></img> <img src="https://media.licdn.com/mpr/mpr/shrinknp_200_200/AAEAAQAAAAAAAAzgAAAAJDM5ZWE5N2JkLTdiOWQtNDA5OC04Y2U1LTMwN2ZiZDg3NTg0ZA.jpg" width="50"></img>