cleanup whitespace and commas

* [] is now [ ]
* {} is now { }
* commas in arglists go at end of line not beginning

In short, I ran the whole thing through nixfmt-rfc-style but only
accepted about 30% of its changes. I might grow accustomed to more
of it over time

pkgs/odhcp-script/default.nix

@@ -1,6 +1,6 @@
 {
-  writeFennelScript
-, anoia
-, lualinux
+  writeFennelScript,
+  anoia,
+  lualinux,
 }:
 writeFennelScript  "odhcpc-script" [anoia lualinux] ./odhcp6-script.fnl