move lightrag_webui folder to top directory

lightrag_webui/src/hooks/useDebounce.tsx

@@ -0,0 +1,17 @@
+import { useState, useEffect } from 'react'
+
+export function useDebounce<T>(value: T, delay: number): T {
+  const [debouncedValue, setDebouncedValue] = useState<T>(value)
+
+  useEffect(() => {
+    const timer = setTimeout(() => {
+      setDebouncedValue(value)
+    }, delay)
+
+    return () => {
+      clearTimeout(timer)
+    }
+  }, [value, delay])
+
+  return debouncedValue
+}