hugolib: Add missing GoDoc in pagination.go
hugolib: Add missing GoDoc in pagination.go

Zenithar/hugo,mdhender/hugo,soundrussian/hugo,jygastaud/hugo,mitchchn/hugo,gohugoio/hugo,ffrizzo/hugo,MarkDBlackwell/hugo,tubo028/hugo,vbatoufflet/hugo,tischda/hugo,gohugoio/hugo,jygastaud/hugo,fedelibre/hugo,anthonyfok/hugo,mdhender/hugo,melo/hugo,Zenithar/hugo,vbatoufflet/hugo,abourget/hugo,mitchchn/hugo,fedelibre/hugo,bogem/hugo,abourget/hugo,fedelibre/hugo,bogem/hugo,ffrizzo/hugo,anthonyfok/hugo,mdhender/hugo,tischda/hugo,mayah/hugo,melo/hugo,gohugoio/hugo,digitalcraftsman/hugo,fedelibre/hugo,MarkDBlackwell/hugo,anthonyfok/hugo,soundrussian/hugo,digitalcraftsman/hugo,tubo028/hugo,mayah/hugo,mdhender/hugo