feat: 帮助文档PDF查看器

package.json

@@ -17,6 +17,7 @@
     "@codemirror/lang-javascript": "^6.2.1",
     "@codemirror/merge": "^6.1.2",
     "@codemirror/theme-one-dark": "^6.1.2",
+    "@tato30/vue-pdf": "^1.8.1",
     "@vueuse/components": "^10.6.1",
     "@vueuse/core": "^10.6.1",
     "ant-design-vue": "^3.2.20",