feat: add a default value for rename input box (#51)

* Update rename-post.ts

* style: format code with prettier

Co-authored-by: laggage <laggage-la@outlook.com>

Author: Higurashi-kagome

src/commands/posts-list/rename-post.ts

@@ -45,6 +45,7 @@ export const renamePost = async (post: Post) => {
         validateInput: v => {
             return v ? undefined : '请输入一个标题';
         },
+        value: post.title,
     });
 
     if (!input) {