Feature/relations in index

- [x] Add traits and implements to index
- [x] Fixed some minor usage errs
- [x] Add index.html for a d3js animation of generated index file.
- [x] Add uml-generator-php.yml.dist file and user feedback when using `run`
- [ ] Needs README update
- [x] Add favicon.ico
- [ ] Add meta tags
- [x] Fix for Firefox