Display available data
Add styles + new icon
Refactoring

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

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

Customize labels.
Styling labels, inputs, text areas, title, paragraph, buttons and checkbox.
Big clean up

New CSS rules added, HTML has been modified.

Closes #54