rename some files and add nip 94 widget

src/utils/hooks/useOpenGraph.ts

@@ -0,0 +1,29 @@
+import { useQuery } from '@tanstack/react-query';
+import { invoke } from '@tauri-apps/api/tauri';
+
+import { Opengraph } from '@utils/types';
+
+export function useOpenGraph(url: string) {
+  const { status, data, error } = useQuery(
+    ['preview', url],
+    async () => {
+      const res: Opengraph = await invoke('opengraph', { url });
+      if (!res) {
+        throw new Error('fetch preview failed');
+      }
+      return res;
+    },
+    {
+      refetchOnWindowFocus: false,
+      refetchOnMount: false,
+      refetchOnReconnect: false,
+      staleTime: Infinity,
+    }
+  );
+
+  return {
+    status,
+    data,
+    error,
+  };
+}