document kmscon functions

modules/kmscon.nix

@@ -4,6 +4,7 @@
   lib,
   ...
 }: let
+  # generate shell command options for kmscon fom an attrset
   generateOptions = with builtins; (
     opts:
       toString (
@@ -12,10 +13,12 @@
         )
       )
   );
+  # generate a hexadecimal number lookup table to get integers from them
   hexLookupTable = with lib; (listToAttrs (genList (i: {
       name = let
         r = toHexString i;
       in (
+        # pad with 0 in front if only 1 digit
         if (stringLength r) == 1
         then "0${r}"
         else r
@@ -23,6 +26,7 @@
       value = toString i;
     })
     256));
+  # "parse" hex color strings and convert them to kmscon options
   hexToOpt = with lib; (color:
     concatStringsSep "," [
       (getAttr (substring 1 2 (toUpper color)) hexLookupTable)