feat: add basic webui

packages/design-system/providers/theme.tsx

@@ -0,0 +1,17 @@
+import type { ThemeProviderProps } from 'next-themes';
+import { ThemeProvider as NextThemeProvider } from 'next-themes';
+
+export const ThemeProvider = ({
+  children,
+  ...properties
+}: ThemeProviderProps) => (
+  <NextThemeProvider
+    attribute="class"
+    defaultTheme="system"
+    enableSystem
+    disableTransitionOnChange
+    {...properties}
+  >
+    {children}
+  </NextThemeProvider>
+);