improved nextjs/remix adapters and docs, confirmed remix ssr working

examples/remix/app/routes/admin.$.tsx

@@ -1,19 +1,4 @@
-import { Suspense, lazy, useEffect, useState } from "react";
-
-const Admin = lazy(() => import("bknd/ui").then((mod) => ({ default: mod.Admin })));
+import { adminPage } from "bknd/adapter/remix";
 import "bknd/dist/styles.css";
 
-export default function AdminPage() {
-   const [loaded, setLoaded] = useState(false);
-   useEffect(() => {
-      if (typeof window === "undefined") return;
-      setLoaded(true);
-   }, []);
-   if (!loaded) return null;
-
-   return (
-      <Suspense>
-         <Admin />
-      </Suspense>
-   );
-}
+export default adminPage();