Rename crate folders to remove raidillon prefix

raidillon_assets/src/model_manager.rs

@@ -1,14 +0,0 @@
-use std::cell::RefCell;
-use std::path::Path;
-use std::rc::Rc;
-
-pub type ModelManagerRef = Rc<RefCell<Box<dyn ModelManager>>>;
-
-
-/// The asset manager trait of Raidillon.
-pub trait ModelManager {
-    /// Loads a gltf model to VRAM.
-    fn load_gltf(&mut self, path: &Path);
-    /// Unloads the loaded model from VRAM.
-    fn unload_model(&mut self, path: &Path);
-}