Enable unstable feature doc_auto_cfg

src/lib.rs

@@ -1,6 +1,7 @@
 //! A Rust library for exporting, importing, packing, and unpacking script files.
 //!
 //! For more information, please visit the [GitHub repository](https://github.com/lifegpc/msg-tool).
+#![feature(doc_auto_cfg)]
 pub mod ext;
 pub mod format;
 pub mod output_scripts;