Chore: update Nuxt example link (#10826)

examples/docs/en-US/quickstart.md

@@ -261,5 +261,5 @@ Now you have implemented Vue and Element to your project, and it's time to write
 We can also start a project using [Nuxt.js](nuxtjs.org):
 
 <div class="glitch-embed-wrap" style="height: 420px; width: 100%;">
-  <iframe src="https://glitch.com/embed/#!/embed/nuxt-with-element-ui?path=nuxt.config.js&previewSize=0&attributionHidden=true" alt="nuxt-with-element-ui on glitch" style="height: 100%; width: 100%; border: 0;"></iframe>
+  <iframe src="https://glitch.com/embed/#!/embed/nuxt-with-element?path=nuxt.config.js&previewSize=0&attributionHidden=true" alt="nuxt-with-element on glitch" style="height: 100%; width: 100%; border: 0;"></iframe>
 </div>

examples/docs/es/quickstart.md

@@ -259,5 +259,5 @@ Ahora ha incorporado Vue y Element a su proyecto y es el momento para comenzar a
 We can also start a project using [Nuxt.js](nuxtjs.org):
 
 <div class="glitch-embed-wrap" style="height: 420px; width: 100%;">
-  <iframe src="https://glitch.com/embed/#!/embed/nuxt-with-element-ui?path=nuxt.config.js&previewSize=0&attributionHidden=true" alt="nuxt-with-element-ui on glitch" style="height: 100%; width: 100%; border: 0;"></iframe>
+  <iframe src="https://glitch.com/embed/#!/embed/nuxt-with-element?path=nuxt.config.js&previewSize=0&attributionHidden=true" alt="nuxt-with-element on glitch" style="height: 100%; width: 100%; border: 0;"></iframe>
 </div>

examples/docs/zh-CN/quickstart.md

@@ -260,6 +260,6 @@ Vue.use(Button);
 我们还可以使用 [Nuxt.js](https://nuxtjs.org)：
 
 <div class="glitch-embed-wrap" style="height: 420px; width: 100%;">
-  <iframe src="https://glitch.com/embed/#!/embed/nuxt-with-element-ui?path=nuxt.config.js&previewSize=0&attributionHidden=true" alt="nuxt-with-element-ui on glitch" style="height: 100%; width: 100%; border: 0;"></iframe>
+  <iframe src="https://glitch.com/embed/#!/embed/nuxt-with-element?path=nuxt.config.js&previewSize=0&attributionHidden=true" alt="nuxt-with-element on glitch" style="height: 100%; width: 100%; border: 0;"></iframe>
 </div>