feat: add sun and moon view to WeatherTab (#787)

* feat: add sun and moon view to WeatherTab

* feat: hourly forecast and scrollable date

* fix: put listviews in loaders to prevent ui blocking

* dankdash/weather: wrap all tab content in loaders, weather updates
- remove a bunch of transitions that make things feel glitchy
- use animation durations from Theme
- configurable detailed/compact hourly view

* weather: fix scroll and some display issues

---------

Co-authored-by: bbedward <bbedward@gmail.com>

quickshell/Common/Theme.qml

@@ -1004,6 +1004,19 @@ Singleton {
         return Qt.rgba(c.r, c.g, c.b, a);
     }
 
+    function blendAlpha(c, a) {
+        return Qt.rgba(c.r, c.g, c.b, c.a*a);
+    }
+
+    function blend(c1, c2, r) {
+        return Qt.rgba(
+            c1.r * (1-r) + c2.r * r,
+            c1.g * (1-r) + c2.g * r,
+            c1.b * (1-r) + c2.b * r,
+            c1.a * (1-r) + c2.a * r,
+        );
+    }
+
     function getFillMode(modeName) {
         switch (modeName) {
         case "Stretch":