Update website and @ffmpeg/util

apps/website/src/components/MuiThemeProvider/index.tsx

@@ -0,0 +1,20 @@
+import React from "react";
+import { useColorMode } from "@docusaurus/theme-common";
+import { ThemeProvider, createTheme } from "@mui/material/styles";
+
+const lightTheme = createTheme({});
+const darkTheme = createTheme({
+  palette: {
+    mode: "dark",
+  },
+});
+
+export default function MuiThemeProvider(props: any) {
+  const { colorMode } = useColorMode();
+  return (
+    <ThemeProvider
+      theme={colorMode === "dark" ? darkTheme : lightTheme}
+      {...props}
+    />
+  );
+}