Added preview functionality for home page

components/preview-suspense.tsx

@@ -1,4 +0,0 @@
-'use client';
-
-// Once rollup supports 'use client' module directives then 'next-sanity' will include them and this re-export will no longer be necessary
-export { PreviewSuspense as default } from 'next-sanity/preview';

lib/sanity/sanity.preview.ts

@@ -1,20 +0,0 @@
-"use client";
-
-import { definePreview } from "next-sanity/preview";
-import { dataset, projectId } from "./sanity.client";
-
-function onPublicAccessOnly() {
-  throw new Error("Unable to load preview as you're not logged in");
-}
-
-if (!projectId || !dataset) {
-  throw new Error(
-    "Missing projectId or dataset. Check your sanity.json or .env"
-  );
-}
-
-export const usePreview = definePreview({
-  projectId,
-  dataset,
-  onPublicAccessOnly,
-});