update vitepress to v1.0

.vitepress/theme/components/BVideo.vue

@@ -0,0 +1,37 @@
+<template>
+  <div class="video">
+    <iframe :src="url"></iframe>
+  </div>
+</template>
+<script setup lang="ts">
+import { computed } from "vue"
+interface Props {
+  src: string
+  p?: number
+}
+
+const props = defineProps<Props>()
+const url = computed(() => {
+  let url = `https://player.bilibili.com/player.html?bvid=${props.src}`
+  if (props.p) {
+    url += `&page=${props.p}`
+  }
+  return url
+})
+</script>
+<style scoped>
+.video {
+  position: relative;
+  width: 100%;
+  padding-bottom: calc(56.25% + 68px);
+}
+
+.video > iframe {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  border: none;
+}
+</style>