feat: add UVs to shader pipeline

src/gpu/vertex3.rs

@@ -8,16 +8,20 @@ pub struct Vertex3 {
     pub(crate) position: [f32; 3],
     #[format(R32G32B32_SFLOAT)]
     pub(crate) normal: [f32; 3],
+    #[format(R32G32B32_SFLOAT)]
+    pub(crate) uv: [f32; 3],
 }
 
 impl Vertex3 {
     pub fn new(
         position: [f32; 3],
         normal: [f32; 3],
+        uv: [f32; 3],
     ) -> Self {
         Self {
             position,
             normal,
+            uv
         }
     }
 }