hwilliams-dev-root/app/layout.tsx

import type { Metadata } from "next";
import { JetBrains_Mono, DM_Sans } from "next/font/google";
import { SITE } from "@/data/content";
import "./globals.css";
import { ThemeProvider } from 'next-themes'
import ThemeSwitch from "@/components/ThemeSwitch";

const mono = JetBrains_Mono({
  subsets: ["latin"],
  variable: "--mono",
  display: "swap",
});

const sans = DM_Sans({
  subsets: ["latin"],
  variable: "--sans",
  display: "swap",
});

export const metadata: Metadata = {
  title: SITE.title,
  description: SITE.description,
};

export default function RootLayout({
  children,
}: {
  children: React.ReactNode;
}) {
  return (
    <html lang="en" className={`${mono.variable} ${sans.variable}`} suppressHydrationWarning>
       <head />
      <body>        
         <ThemeProvider attribute="data-theme">
           <ThemeSwitch/>
           {children}
          </ThemeProvider>
      </body>
    </html>
  );
}