add dev scafold and day 1 solution

dune-project

@@ -0,0 +1,23 @@
+(lang dune 3.2)
+
+(name aoc2022)
+
+(generate_opam_files false)
+
+(source
+ (uri https://gitea.vp.mk/vladan/aoc2022))
+
+(authors "Vladan Popovic")
+(maintainers "Vladan Popovic")
+
+(license LICENSE)
+
+(package
+ (name aoc2022)
+ (synopsis "Advent of Code 2022 solutions in OCaml")
+ (description "Advent of Code 2022 solutions in OCaml")
+ (depends ocaml dune)
+ (tags
+  (AoC2022 "Advent of Code")))
+
+; See the complete stanza docs at https://dune.readthedocs.io/en/stable/dune-files.html#dune-project