fiix: move not-found into route groups

app/[lang]/(preview)/not-found.tsx

@@ -0,0 +1,8 @@
+export default function NotFound() {
+  return (
+    <main>
+      <h2>Not Found</h2>
+      <p>Could not find requested resource</p>
+    </main>
+  )
+}

app/[lang]/(preview)/preview/page.tsx

@@ -17,29 +17,30 @@ export default async function CurrentContentPage({
   searchParams,
 }: PageArgs<LangParams, UriParams>) {
   try {
-    const livePreviewHash = searchParams["live_preview"];
-    if (livePreviewHash) {
-      ContentstackLivePreview.setConfigFromParams(searchParams);
+    const livePreviewHash = searchParams["live_preview"]
+    if (!livePreviewHash) {
+      throw new Error("No hash found")
     }
+    ContentstackLivePreview.setConfigFromParams(searchParams)
 
     if (!searchParams.uri) {
-      throw new Error("Bad URI");
+      throw new Error("Bad URI")
     }
 
     const response = await previewRequest<GetCurrentBlockPageData>(
       GetCurrentBlockPage,
       { locale: params.lang, url: searchParams.uri }
-    );
+    )
 
     if (!response.data?.all_current_blocks_page?.total) {
-      console.log("#### DATA ####");
-      console.log(response.data);
-      console.log("SearchParams URI: ", searchParams.uri);
-      throw new Error("Not found");
+      console.log("#### DATA ####")
+      console.log(response.data)
+      console.log("SearchParams URI: ", searchParams.uri)
+      throw new Error("Not found")
     }
 
-    const page = response.data.all_current_blocks_page.items[0];
-    const images = page.hero?.imagesConnection;
+    const page = response.data.all_current_blocks_page.items[0]
+    const images = page.hero?.imagesConnection
 
     return (
       <>
@@ -51,8 +52,9 @@ export default async function CurrentContentPage({
           <Aside blocks={page.aside} />
         </main>
       </>
-    );
+    )
   } catch (err) {
+    console.error(err)
     return notFound();
   }
 }