Test: add a file I've forgotten to track

test/dfs-list/p.mli

+open Algo
+
+type dfs_value = {
+  path: int list;
+  par: int
+}
+
+
+
+val actions: string list
+val init_state: int -> dfs_value
+val enable_f:dfs_value neighbor list -> dfs_value -> action list
+val step_f : dfs_value neighbor list -> dfs_value -> action -> dfs_value
+val dfs_value_to_string: dfs_value -> string  
+
+val dfs_value_copy : dfs_value -> dfs_value