Allow clippy lint (#103)

* allow clippy lint

* Revert "allow clippy lint"

This reverts commit 6744ff1ca4.

* move allow clippy rule to lib.rs

---------

Co-authored-by: Conrado Gouvea <conradoplg@gmail.com>

src/lib.rs

@@ -9,6 +9,7 @@
 #![allow(non_snake_case)]
 #![allow(unsafe_code)]
 #![allow(unused_imports)]
+#![allow(clippy::unwrap_or_default)]
 
 // Use the generated C++ bindings
 include!(concat!(env!("OUT_DIR"), "/bindings.rs"));