feat: Add support for aide

src/garde.rs

@@ -25,6 +25,7 @@ use std::ops::{Deref, DerefMut};
 /// If using arguments, you must pass the arguments to Garde extractor via state, meaning implementing `FromRef<StateType>` for your validation arguments type.
 ///
 #[derive(Debug, Clone, Copy, Default)]
+#[cfg_attr(feature = "aide", derive(aide::OperationIo))]
 pub struct Garde<E>(pub E);
 
 impl<E> Deref for Garde<E> {