Update the section about the vcf import in README (#302)
Update the section about the vcf import in README (#302)

On some systems it's not possible to import a .vcf file if it isn't in the root
of the installation. To reduce issues about imports that don't work I updated
the readme with a way that should work on every system.

Fix 263
yamakadi/monica,yamakadi/monica,monicahq/monica,monicahq/monica,yamakadi/monica,yamakadi/monica