Add section to the manual about same directory names
Add section to the manual about same directory names

Related to #652

byo/restic,restic/restic,ar-jan/restic,kurin/restic,jayme-github/restic,ar-jan/restic,stuertz/restic,kurin/restic,middelink/restic,jayme-github/restic,fawick/restic,middelink/restic,restic/restic,stuertz/restic,fawick/restic,byo/restic