Rounded Window borders for KDE Plasma desktop environment that can follow any light color scheme with transparency and blur

* To blend window decoration with background, install and use the Color Scheme, Kvantum Theme and Konsole Color Scheme from the below Global Theme
Utterly Nord, Utterly Sweet

Key features:

* Blends with Window background when appropriate Kvantum theme and Konsole Color Scheme is used
* Rounded corners
* Follows any light color scheme and hence is usable with any Global Theme
* Supports transparency: Go to `System Settings > Workspace Behavior > Desktop Effects` and enable `Blur`, `Background Contrast` and `Tranlucency` for best result.