feat: add border smoothing option

README.md

@@ -483,6 +483,7 @@ For example, to disable the bar on DP-1:
     },
     "border": {
         "rounding": 25,
+        "smoothing": 32,
         "thickness": 10
     },
     "dashboard": {

modules/drawers/ContentWindow.qml

@@ -131,6 +131,7 @@ StyledWindow {
             id: blobGroup
 
             color: Colours.palette.m3surface
+            smoothing: root.contentItem.Config.border.smoothing
 
             Behavior on color {
                 CAnim {}

plugin/src/Caelestia/Config/borderconfig.hpp

@@ -12,6 +12,7 @@ class BorderConfig : public ConfigObject {
 
     CONFIG_PROPERTY(int, thickness, 10)
     CONFIG_PROPERTY(int, rounding, 25)
+    CONFIG_PROPERTY(int, smoothing, 32)
 
     Q_PROPERTY(int minThickness READ minThickness CONSTANT)
     Q_PROPERTY(int clampedThickness READ clampedThickness NOTIFY thicknessChanged)