Add note about not putting spaces in user defined app name
Add note about not putting spaces in user defined app name

skewedlines/Nativefier,gfpacheco/Nativefier,gfpacheco/Nativefier,jiahaog/Nativefier,skewedlines/Nativefier,pixel9/nativefier,pixel9/nativefier,pixel9/nativefier,skewedlines/Nativefier,faceair/nativefier-slack,jiahaog/Nativefier,zucher/nativefier,zucher/nativefier,jiahaog/Nativefier,gfpacheco/Nativefier,zucher/nativefier,faceair/nativefier-slack