feat(@vben/playground): add full-screen examples (#4126)

* feat(@vben/playground): add full-screen examples

* chore: rm unuse class

* chore: move fullScreen demo to features router

* chore: responsive

* chore: 调整路由路径

* chore: card增加间距

---------

Co-authored-by: Li Kui <90845831+likui628@users.noreply.github.com>

playground/src/views/demos/features/full-screen/index.vue

@@ -0,0 +1,47 @@
+<script lang="ts" setup>
+import { ref } from 'vue';
+
+import { Page } from '@vben/common-ui';
+
+import { useFullscreen } from '@vueuse/core';
+import { Button, Card } from 'ant-design-vue';
+
+const domRef = ref<HTMLElement>();
+
+const { enter, exit, isFullscreen, toggle } = useFullscreen();
+
+const { isFullscreen: isDomFullscreen, toggle: toggleDom } =
+  useFullscreen(domRef);
+</script>
+
+<template>
+  <Page title="全屏示例">
+    <Card title="Window Full Screen">
+      <div class="flex flex-wrap items-center gap-4">
+        <Button :disabled="isFullscreen" type="primary" @click="enter">
+          Enter Window Full Screen
+        </Button>
+        <Button @click="toggle"> Toggle Window Full Screen </Button>
+
+        <Button :disabled="!isFullscreen" danger @click="exit">
+          Exit Window Full Screen
+        </Button>
+
+        <span class="text-nowrap"> Current State: {{ isFullscreen }} </span>
+      </div>
+    </Card>
+
+    <Card class="mt-3" title="Dom Full Screen">
+      <Button type="primary" @click="toggleDom"> Enter Dom Full Screen </Button>
+    </Card>
+
+    <div
+      ref="domRef"
+      class="mx-auto mt-10 flex h-64 w-1/2 items-center justify-center rounded-md bg-yellow-400"
+    >
+      <Button class="mr-2" type="primary" @click="toggleDom">
+        {{ isDomFullscreen ? 'Exit Dom Full Screen' : 'Enter Dom Full Screen' }}
+      </Button>
+    </div>
+  </Page>
+</template>