move lightrag_webui folder to top directory

lightrag_webui/src/hooks/useTheme.tsx

@@ -0,0 +1,12 @@
+import { useContext } from 'react'
+import { ThemeProviderContext } from '@/components/ThemeProvider'
+
+const useTheme = () => {
+  const context = useContext(ThemeProviderContext)
+
+  if (context === undefined) throw new Error('useTheme must be used within a ThemeProvider')
+
+  return context
+}
+
+export default useTheme