Implemented Wallpaper Selector and Matugen's Wallpaper based auto-theming. (#73)

* Implement matugen - WIP

* Added matugen

* Add types and cleanup code

* Matugen implementation updates and added more options such as scheme and contrast.

* Code cleanup and matugen settings renamed for clarity.

* Makon maroon a primary matugen color.

* Updates to handle variations of matugen colors

* Finalizing matugen and wrapping up variations.

* Minor styling updates of the settings dialog.

* Do a swww dependency check.

* Dependency logic update

* Switch shouldn't double trigger notifications now when checking dependency.

* Logic was inverted

* Add matugen to dependency checker.

* Fixed dependency checking conditional

* Update dependency list in readme and check for matugen before doing matugen operations

* Styling fixes

* OSD Fix

* Remove unused code from wallpaper service.

* Color fixes for matugen.

* Nix updates for new dependencies

* Change default wallpaper to empty.

* Added custom notification service for startup, cleaned up code and updated readme.

widget/settings/pages/theme/index.ts

@@ -11,8 +11,10 @@ import { NotificationsMenuTheme } from "./menus/notifications";
 import { SystrayMenuTheme } from "./menus/systray";
 import { VolumeMenuTheme } from "./menus/volume";
 import { OsdTheme } from "./osd/index";
+import { Matugen } from "./menus/matugen";
 
 type Page = "General Settings"
+    | "Matugen Settings"
     | "Bar"
     | "Notifications"
     | "OSD"
@@ -30,6 +32,7 @@ const CurrentPage = Variable<Page>("General Settings");
 
 const pagerMap: Page[] = [
     "General Settings",
+    "Matugen Settings",
     "Bar",
     "Notifications",
     "OSD",
@@ -75,6 +78,7 @@ export const ThemesMenu = () => {
                     class_name: "themes-menu-stack",
                     children: {
                         "General Settings": MenuTheme(),
+                        "Matugen Settings": Matugen(),
                         "Bar": BarTheme(),
                         "Notifications": NotificationsTheme(),
                         "OSD": OsdTheme(),