chore: add sample of get file metadata

Author: kernelshard

sample/sample.py

@@ -159,7 +159,10 @@
     print("File detail with url upload-", details, end="\n\n")
 
     print("-------------------------------------")
-    delete = imagekit.delete_file(list_files["response"][1]["fileId"],)
+    file_metadata = imagekit.get_metadata(list_files[0]['fileId'])
+
+    print("-------------------------------------")
+    delete = imagekit.delete_file(list_files["response"][1]["fileId"], )
 
     print("Delete File-", delete)