Add playground sample

doc/nuxt/ExampleDoc.vue

@@ -1,7 +1,8 @@
 <template>
     <DocSectionText v-bind="$attrs">
         <p>
-            A sample <a href="https://github.com/primefaces/primevue-examples/tree/main/nuxt-quickstart" rel="noopener noreferrer">starter example</a> is available at PrimeVue examples repository.
+            A sample <a href="https://github.com/primefaces/primevue-examples/tree/main/nuxt-quickstart" rel="noopener noreferrer">starter example</a> 
+            is available at PrimeVue examples repository. In addition an <a href="https://stackblitz.com/edit/nuxt-starter-5nuyko">online playground</a> sample can be accessed at StackBlitz.
         </p>
     </DocSectionText>
 </template>

pages/nuxt/index.vue

@@ -80,16 +80,16 @@ export default {
                     label: 'Styles',
                     component: StyleDoc
                 },
+                {
+                    id: 'example',
+                    label: 'Example',
+                    component: ExampleDoc
+                },
                 {
                     id: 'video',
                     label: 'Video',
                     component: VideoDoc
                 },
-                {
-                    id: 'example',
-                    label: 'Example',
-                    component: ExampleDoc
-                }
             ]
         };
     }