use ppx_subliner for cleaner cmdliner CLI (#83)

* add ppx_subliner for cleaner cmdliner CLI definitions

* chore: update ocamlformat to 0.27.0 and reformat code

* Convert Slurm command to ppx_subliner

* Convert Show and Sample commands to ppx_subliner

* Apply ocamlformat

* Convert all remaining commands to ppx_subliner

Author: c-cube

.ocamlformat

@@ -1,4 +1,4 @@
-version = 0.24.1
+version = 0.27.0
 profile=conventional
 margin=80
 if-then-else=k-r

benchpress.opam

@@ -17,6 +17,7 @@ depends: [
   "re" { >= "1.8" & < "2.0" }
   "csv"
   "cmdliner" {>= "1.1.0"}
+  "ppx_subliner"
   "iter" { >= "1.0" } # TODO: remove
   "logs"
   "uuidm"