refactor: change to litterate config

Configuration is now held by the `.org` files. All `.nix` files are
tangled from the org-mode files.

modules/packages/appimage.nix

@@ -1,16 +1,8 @@
 {
   flake.modules.nixos.appimage = {
-    lib,
-    config,
-    ...
-  }:
-    with lib; let
-      cfg = config.mySystem.packages.appimage;
-    in {
-      options.mySystem.packages.appimage.enable = mkEnableOption "Enables AppImage support";
-      config.programs.appimage = mkIf cfg.enable {
-        inherit (cfg) enable;
-        binfmt = true;
-      };
+    programs.appimage = {
+      enable = true;
+      binfmt = true;
     };
+  };
 }