feat: add search filter, refactor params

codegen/src/gen_dictionary.rs

@@ -36,7 +36,7 @@ pub fn generate_dictionary(project_root: &Path) {
     let code_head = r#"// This file is automatically generated. DO NOT EDIT.
 // See codegen/gen_dictionary.rs for the generation code.
 use crate::{
-    model::Language,
+    param::Language,
     timeago::{DateCmp, TaToken, TimeUnit},
 };