.dev-only; added debian/ubuntu package for revdep dependency
.dev-only; added debian/ubuntu package for revdep dependency

vlulla/data.table,vlulla/data.table,Rdatatable/data.table,jangorecki/data.table,jangorecki/data.table,vlulla/data.table,jangorecki/data.table,Rdatatable/data.table,jangorecki/data.table,Rdatatable/data.table,vlulla/data.table,Rdatatable/data.table