Add mime type module and refactor options

docs/default.nix

@@ -1,8 +1,12 @@
 # with friendly help by stylix: https://github.com/danth/stylix/blob/master/docs/default.nix
-{ pkgs, build_systems, lib, ... }:
+{
+  pkgs,
+  build_systems,
+  lib,
+  ...
+}:
 let
-  makeOptionsDoc = configuration:
-    pkgs.nixosOptionsDoc { options = configuration; };
+  makeOptionsDoc = configuration: pkgs.nixosOptionsDoc { options = configuration; };
   generateDocs = obj: ''
     touch src/${obj.fst}.md
     sed '/*Declared by:*/,/^$/d' <${obj.snd.optionsCommonMark} >> src/${obj.fst}.md
@@ -11,18 +15,17 @@ let
     echo "- [${name}](${name}.md)" >> src/SUMMARY.md
   '';
   system = (build_systems ../example/.)."example".options;
-  makeOptionsDocPrograms = name:
-    pkgs.nixosOptionsDoc { options = system.mods.${name}; };
+  makeOptionsDocPrograms = name: pkgs.nixosOptionsDoc { options = system.mods.${name}; };
   conf = makeOptionsDoc system.conf;
   paths = builtins.readDir ../modules/programs;
-  names = lib.lists.remove "default"
-    (map (name: lib.strings.removeSuffix ".nix" name)
-      (lib.attrsets.mapAttrsToList (name: _: name) paths));
+  names = lib.lists.remove "default" (
+    map (name: lib.strings.removeSuffix ".nix" name) (lib.attrsets.mapAttrsToList (name: _: name) paths)
+  );
   mods = map makeOptionsDocPrograms names;
-  docs =
-    lib.strings.concatLines (map generateDocs (lib.lists.zipLists names mods));
+  docs = lib.strings.concatLines (map generateDocs (lib.lists.zipLists names mods));
   summary = lib.strings.concatStringsSep " " (map summaryAppend names);
-in pkgs.stdenvNoCC.mkDerivation {
+in
+pkgs.stdenvNoCC.mkDerivation {
   name = "dashNix-book";
   src = ./.;
 

docs/src/README.md

@@ -198,4 +198,6 @@ For package lists, please check the individual modules, as the lists can be long
 - fish: Enables and configures fish shell
 - kitty: Enables and configures kitty terminal
 - oxi: My own programs, can be selectively disabled, or as a whole
+- mime: Mime type configuration
+- xkb:  Keyboard layout configuration
 - scripts: Various preconfigured scripts with the ability to add more