修改样式以匹配Vitepress版本更新

docs/.vitepress/config.ts

@@ -74,7 +74,8 @@ export default defineConfig({
       indexName: 'nezhahq'
     },
     footer: {
-      copyright: 'Copyright © 2022-present Nezhahq'
+      message: 'This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License',
+      copyright: 'Copyright © 2022-present NezhaHQ'
     }
   }
 })