New template created

- dependancies updated
- new favicon
- html updated
- clean up
- css updated

- CSS finalised
- Default user picture added
- See https://git.happy-dev.fr/startinblox/components/sib-directory/merge_requests/6

Add it in dependencies
Add styles

Fixed responsive issue on counter in /members page
Had to modify some CSS files, create templates, modify data-fields in sib-display, clean up and refactor
Removed custom-widgets

Display available data
Add styles + new icon
Refactoring

Bonus:
new widget for placeholder on sib-dropdwn + styles

Add and style datafields.
Add a custom widget.
Add styles to sib-autocompletion.
Add back button.
fix bug in members and project-profile pages (displaying userinfos and members of a project).