Detailed project viw in Setelin APP requires new description field

[leosa83]

Description

refugeetech/MigHub#23

In the bottom there is a type of text that goes more into detail of theprojects background.

Todo

Extend the Projects Schema with: backgroundDescription

Extra

In the mighub application form we have collected the projects answer on what problem the are solving in more detail. The project description , shortDescription and description can be regarded as describing the solutionl.

Todo

Extend the Projects Schema with: problemDescription