chore: generate README

crates/bevy_gltf_kun/README.md

@@ -12,13 +12,13 @@ Bevy [gltf_kun](https://crates.io/crates/gltf_kun) plugin.
 
 ### Usage
 
-Add the plugin to your app:
+Add [GltfKunPlugin] to your app:
 
 ```rust
 use bevy::prelude::*;
 use bevy_gltf_kun::GltfKunPlugin;
 
-let app = App::new().add_plugins((DefaultPlugins, GltfKunPlugin::default()));
+App::new().add_plugins((DefaultPlugins, GltfKunPlugin::default()));
 ```
 
 #### Export
@@ -29,6 +29,7 @@ The resulting [GltfExportResult](export::gltf::GltfExportResult) will contain a
 [GltfDocument](gltf_kun::graph::gltf::document::GltfDocument) that can be exported to various
 file types. See [gltf_kun] for more information on how to do so.
 
+
 ```rust
 use bevy::prelude::*;
 use bevy_gltf_kun::{