sciter插件，桌面开发

htmlayout的升级版，支持xp，使用html、css和脚本进行界面编程。

Fixes: element.post() fix, see: https://sciter.com/forums/topic/virtual-list-vlist-navigate-issue/ WM_INPUT handling fix (might causing non-handled exceptions); Windows: UIAutomation support is back, but requres SciterSetOption(NULL,SCITER_ENABLE_UIAUTOMATION,TRUE); env.home(path) - returns normalized path - without ".."; flow:stack fix. VirtualSelect/VirtualList fix of the issue: https://sciter.com/forums/topic/virtual-list-vlist-navigate-issue/#post-73783 reactor: fix of handling (name) as key in r13n; Tokenizer: fix of freeze on EOI marker; [JSX] better errors handling. fix of freeze in video rendering + behavior:file-icon/shell-icon; [CSS/JS] prototype: Component, fix of private fields handling; "on click at :root" handling fix; Fix of hanging on ::after { position:absolute } rules; Fix of script debugger in x64 versions; New features: element.matches("selector") / element.$is("selector") API: SciterEvalElementScript() implementation for JS; Element.animate(options,onEnd) - non-promise version; element.mapLocalToWindow(x,y) and element.mapWindowToLocal(x,y) element.swapWith(otherElement) image.colorAt(x,y): Color image.compose(other, op)

Fixes: [css] layout optimization on runtime state and attribute changes; [a11y] various fixes; , CTRL+CLICK fix. [layout] white-space: pre-wrap; + TABs fix.

sciter UI框架 之CMake演示工程，vscode即可编译，跨平台,基于c++

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