docs: sequential option

README.md

@@ -58,6 +58,7 @@ Flags:
   -n, --non-interactive               Do not run in interactive mode
   -o, --output-file string            Export all info into file as JSON
   -r, --read-from-storage             Read analysis data from persistent key-value storage
+      --sequential                    Use sequential scanning (intended for rotating HDDs)
   -a, --show-apparent-size            Show apparent size
   -d, --show-disks                    Show all mounted disks
   -B, --show-relative-size            Show relative size