feat: publicize doc implemetation

one/docs/demo/embedded/size.vue

@@ -0,0 +1,50 @@
+<template>
+<article>
+  <section>
+    <veui-button @click="open = !open">
+      Toggle
+    </veui-button>
+  </section>
+
+  <section>
+    <veui-embedded
+      :open.sync="open"
+      title="Notification"
+    >
+      <p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. At dolorum eius vero expedita ut voluptates possimus recusandae id incidunt obcaecati asperiores eum, laborum dolore facilis aperiam quidem. Maiores, non eum.</p>
+    </veui-embedded>
+  </section>
+
+  <section>
+    <veui-embedded
+      ui="s"
+      :open.sync="open"
+      title="Notification"
+    >
+      <p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. At dolorum eius vero expedita ut voluptates possimus recusandae id incidunt obcaecati asperiores eum, laborum dolore facilis aperiam quidem. Maiores, non eum.</p>
+    </veui-embedded>
+  </section>
+</article>
+</template>
+
+<script>
+import { Embedded, Button } from 'veui'
+
+export default {
+  components: {
+    'veui-embedded': Embedded,
+    'veui-button': Button
+  },
+  data () {
+    return {
+      open: false
+    }
+  }
+}
+</script>
+
+<style lang="less" scoped docs>
+section {
+  margin-bottom: 20px;
+}
+</style>