refactor: Renamed KeyEventHandler::with to KeyEventHandler::new to keep with Rust best practices and conventions

src/handlers/radarr_handlers/root_folders/mod.rs

@@ -70,7 +70,7 @@ impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveRadarrBlock> for RootFoldersHandler<'
     ROOT_FOLDERS_BLOCKS.contains(&active_block)
   }
 
-  fn with(
+  fn new(
     key: Key,
     app: &'a mut App<'b>,
     active_block: ActiveRadarrBlock,