Compress all export files into one file to avoid Illustrator import error

[bordoray]

TBD with chiri

json shp assets files etc. to be a compressed in a single file

Advantages :

• QGIS export / Illustrator Import to be safer.
• avoid parasite folders in export folders
• avoid unexpected deleting files before import to Illustrator

Con :

• Lose flexibility (e.g. cannot edit json manually after QGIS export)