feat: create dev server for desktop site

packages/vant-cli/package.json

@@ -34,7 +34,10 @@
   "devDependencies": {
     "@types/fs-extra": "^9.0.12",
     "@types/lodash": "^4.14.172",
-    "@types/postcss-load-config": "^3.0.1"
+    "@types/postcss-load-config": "^3.0.1",
+    "@vitejs/plugin-vue": "^1.6.0",
+    "@vue/compiler-sfc": "^3.2.8",
+    "vue": "^3.2.8"
   },
   "dependencies": {
     "@babel/core": "^7.15.0",
@@ -48,6 +51,7 @@
     "@vant/markdown-vetur": "^2.2.0",
     "@vant/stylelint-config": "^1.4.2",
     "@vant/touch-emulator": "^1.3.2",
+    "@vitejs/plugin-vue-jsx": "^1.1.7",
     "@vue/babel-plugin-jsx": "^1.0.6",
     "@vue/test-utils": "2.0.0-rc.6",
     "autoprefixer": "^10.3.1",
@@ -87,9 +91,11 @@
     "stylelint": "^13.13.1",
     "ts-jest": "^27.0.5",
     "typescript": "^4.3.5",
-    "vue3-jest": "^27.0.0-alpha.2",
+    "vite": "^2.5.3",
+    "vite-plugin-md": "^0.11.0",
     "vue-loader": "^16.5.0",
     "vue-router": "^4.0.0",
+    "vue3-jest": "^27.0.0-alpha.2",
     "webpack": "^5.51.1",
     "webpack-dev-server": "^4.0.0",
     "webpack-merge": "^5.8.0",