fix: rust docs

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ozz-animation-rs"
-version = "0.7.1"
+version = "0.7.2"
 authors = ["SlimeYummy <zzzcccnnn@outlook.com>"]
 edition = "2021"
 rust-version = "1.75"

README.md

@@ -38,6 +38,11 @@ Ozz-animation-rs keeps the same API styles with original ozz-animation library.
 Here is a very sample example:
 
 ```rust
+use glam::Mat4;
+use ozz_animation_rs::*;
+use ozz_animation_rs::math::*;
+use std::rc::Rc;
+
 // Load resources
 let skeleton = Rc::new(Skeleton::from_file("./resource/skeleton.ozz").unwrap());
 let animation1 = Rc::new(Animation::from_file("./resource/animation1.ozz").unwrap());

src/lib.rs

@@ -9,7 +9,12 @@
 //! runtime, but rewrite the full runtime library in rust. So it can be used in network game scenarios, such as
 //! lock-step networking synchronize.
 //!
-//! ```
+//! ```no_run
+//! use glam::Mat4;
+//! use ozz_animation_rs::*;
+//! use ozz_animation_rs::math::*;
+//! use std::rc::Rc;
+//!
 //! // Load resources
 //! let skeleton = Rc::new(Skeleton::from_file("./resource/skeleton.ozz").unwrap());
 //! let animation1 = Rc::new(Animation::from_file("./resource/animation1.ozz").unwrap());