Emelie4

Results 2 issues of Emelie4

Create CODE_OF_CONDUCT.md

For the contact, I used your GitHub profile.

Update README.md

Fixed a grammar mistake - [ ] Code is up-to-date with current `master` - [ ] Code is provided under the terms of the [Tabris.js license](https://github.com/EclipseSource/tabris-js/blob/master/LICENSE) Fixes #