Add auth and theme switcher

src/middleware.ts

@@ -0,0 +1,24 @@
+import { auth } from "@/auth"
+import type { NextRequest } from "next/server"
+import { NextResponse } from "next/server"
+
+export async function middleware(request: NextRequest) {
+  const session = await auth()
+
+  const isProtectedPath =
+    !request.nextUrl.pathname.startsWith("/api/auth") &&
+    !request.nextUrl.pathname.startsWith("/_next") &&
+    !request.nextUrl.pathname.startsWith("/favicon") &&
+    !request.nextUrl.pathname.startsWith("/assets")
+
+  if (isProtectedPath && !session) {
+    const signInUrl = new URL("/api/auth/signin", request.url)
+    return NextResponse.redirect(signInUrl)
+  }
+
+  return NextResponse.next()
+}
+
+export const config = {
+  matcher: ["/((?!api/auth|_next/static|_next/image|favicon.ico).*)"],
+}