add functioning theme picker and overhaul theming system

widgets/BarComponent.qml

@@ -5,7 +5,7 @@ import qs.settings
 
 Rectangle {
     property bool active: false
-    color: active ? Colors.activeModuleBg : Colors.barBg
+    color: active ? Colors.c.base02 : Colors.c.base01
     implicitHeight: Config.cfg.bar.height - 8
     radius: Config.cfg.appearance.rounding
 }

widgets/MaterialIcon.qml

@@ -4,7 +4,7 @@ import QtQuick
 
 Text {
     font.family: "Material Symbols Outlined"
-    color: Colors.text
+    color: Colors.c.base05
     font.pointSize: Config.iconSize
     property bool fill: false
     renderType: Text.NativeRendering

widgets/StyledIcon.qml

@@ -22,7 +22,7 @@ Image {
     layer.smooth: true
     layer.effect: MultiEffect {
         colorization: 1.0
-        colorizationColor: Colors.text
+        colorizationColor: Colors.c.base05
         brightness: 1.0
     }
 }

widgets/StyledText.qml

@@ -3,7 +3,7 @@ import qs
 import qs.settings
 
 Text {
-    color: Colors.text
+    color: Colors.c.base05
     font.family: Config.cfg.appearance.font
     font.pixelSize: Config.cfg.appearance.fontSize
 }