refactor(users/Profpatsch/jbovlaste): factor Parse into own module

We want to use this quite generic parser type for other things as
well.

Change-Id: I890b43c58e479bdf2d179a724280ef1d8748fafa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9742
Autosubmit: Profpatsch <mail@profpatsch.de>
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

users/Profpatsch/my-prelude/default.nix

@@ -10,6 +10,7 @@ pkgs.haskellPackages.mkDerivation {
     ./src/AtLeast.hs
     ./src/MyPrelude.hs
     ./src/Test.hs
+    ./src/Parse.hs
     ./src/Seconds.hs
     ./src/Tool.hs
     ./src/ValidationParseT.hs