chore: rename data managers to just managers

src/render_data.rs

@@ -1,11 +1,11 @@
 use opendal::Operator;
 
 #[derive(Debug, Clone)]
-pub struct RenderDataManager {
+pub struct RenderManager {
     operator: Operator,
 }
 
-impl RenderDataManager {
+impl RenderManager {
     pub fn new(operator: Operator) -> Self {
         Self { operator }
     }