feat: add app icon modify route (#760)

api/controllers/console/app/app.py

@@ -477,6 +477,7 @@ api.add_resource(AppTemplateApi, '/app-templates')
 api.add_resource(AppApi, '/apps/<uuid:app_id>')
 api.add_resource(AppCopy, '/apps/<uuid:app_id>/copy')
 api.add_resource(AppNameApi, '/apps/<uuid:app_id>/name')
+api.add_resource(AppIconApi, '/apps/<uuid:app_id>/icon')
 api.add_resource(AppSiteStatus, '/apps/<uuid:app_id>/site-enable')
 api.add_resource(AppApiStatus, '/apps/<uuid:app_id>/api-enable')
 api.add_resource(AppRateLimit, '/apps/<uuid:app_id>/rate-limit')