feat(note): add audio upload and sharing functionality

- Introduced `note_audio` table for storing audio attachments related to notes.
- Implemented audio upload endpoint in `Note` controller to handle audio file uploads.
- Added sharing functionality with `note_share` table to manage share tokens and view counts.
- Updated API routes to include endpoints for audio uploads and share creation.
- Enhanced documentation to reflect new audio and sharing features.

app/note/controller/v1/Meta.php

@@ -11,7 +11,7 @@ use think\App;
 /**
  * 笔记模块元信息控制器
  */
-class Meta extends BaseController
+class c extends BaseController
 {
     /**
      * @var PlanningService