- 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

Transform svg files + add them as font.
Review and correct HTML architecture.
Review and add styles.
Open/close menu on right + expand content.

New CSS rules added, HTML has been modified.

Closes #54