Update extra-source-files for the new project templates
Update extra-source-files for the new project templates

snapframework/snap-core,sopvop/snap-core,f-me/snap-core,23Skidoo/snap-core,f-me/snap-core,sopvop/snap-core,f-me/snap-core,sopvop/snap-core,snapframework/snap-core,23Skidoo/snap-core,snapframework/snap-core,23Skidoo/snap-core