refactor(vite-plugins): 重新命名插件文件以优化加载顺序

vite-plugins/01.unplugin-vue-markdown.ts

@@ -0,0 +1,9 @@
+import type { PluginOption } from 'vite';
+import Markdown from 'unplugin-vue-markdown/vite';
+
+export default [
+  // https://github.com/unplugin/unplugin-vue-markdown
+  Markdown({
+    headEnabled: true,
+  }),
+] satisfies PluginOption;