Windows 11 Start Menu Styler v1.2 (#1322)

* The start menu search (what you see when you click on the start menu search bar) is now styled as well. Most of the search content is a WebView element, and the mod now allows to style it with CSS targets and styles. Refer to the mod description for more details.
* Added the Everblush theme.
* Updated themes: SideBySide2, Fluent2Inspired, Metro10Minimal.