message: added dev guide
diff: ## Developer Guide
  ### setup
  -- `npm install`
  -- `npm install typings -g`
  +- checkout project on the `develop` branch
  +- `yarn` to install dependencies
  -Have these two tasks running whilst developing
  +### Developing
  +- `npm run test:watch` to run searchkit's tests
  +- `npm run test:serve` to serve the test apps on `localhost:4000`. The Apps are in `test/e2e/server/apps` folder. Any updates to src are immediately reflected in the test apps.
  +- `npm run build` to build the `lib` folder (es5) and standalone release.
  -- `tsc -w`
  -- `gulp`
  -
  -TODO
  +### Running E2Es
  +**experimental** `npm run test:e2e-standalone` to run e2es. Requires protractor v4 to be installed globally (npm i -g protractor ) and selenium webdriver to be running.
  