fix: demo

Author: Alan Shaw

README.md

@@ -38,7 +38,10 @@ func main() {
     fmt.Printf("https://%v.ipfs.dweb.link\n", cid)
 
     // Retrieve a file/directory
-    f, fsys, _ := c.Get(context.Background(), cid)
+    res, _ := c.Get(context.Background(), cid)
+    
+    // res is a http.Response with an extra method for reading IPFS UnixFS files!
+    f, fsys, _ := res.Files()
 
     // List directory entries
     if d, ok := f.(fs.ReadDirFile); ok {