Make QuickCSS work

src/shared/utils/debounce.ts

@@ -0,0 +1,7 @@
+export function debounce<T extends Function>(func: T, delay = 300): T {
+    let timeout: NodeJS.Timeout;
+    return function (...args: any[]) {
+        clearTimeout(timeout);
+        timeout = setTimeout(() => { func(...args); }, delay);
+    } as any;
+}