Welcome page

[maloufabmob]

Introduction

Modify contents on the first page users see as they arrive on the website

[maloufabmob]

• Add logos from the different organizations of the MobiliseYourCity partnership @TTalex
  (-> it's possible to change the format of the provided logos keeping their order and the groups. inputs : https://cloud.fabmob.io/s/npBq9SFMFksoWYc)
• Add a world map with MYC partners countries and cities @maloufabmob
  (define if static (Myc website map) or dynamic)
• Add description of the MobiliseYourCity partnership @maloufabmob
  (check Myc website map)

[TTalex]

I added a static map for now.
I also redesigned the page in the process.