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.

modules/bar/battery/index.ts

@@ -8,14 +8,14 @@ const { label: show_label } = options.bar.battery;
 
 const BatteryLabel = () => {
     const isVis = Variable(battery.available);
-    
+
     const batIcon = Utils.merge([battery.bind("percent"), battery.bind("charging"), battery.bind("charged")],
         (batPercent: number, batCharging, batCharged) => {
-            if(batCharged)
+            if (batCharged)
                 return `battery-level-100-charged-symbolic`;
             else
                 return `battery-level-${Math.floor(batPercent / 10) * 10}${batCharging ? '-charging' : ''}-symbolic`;
-    });
+        });
 
     battery.connect("changed", ({ available }) => {
         isVis.value = available;