build: organize npm packages

Author: kiaking

package.json

@@ -53,7 +53,6 @@
     "@rollup/plugin-replace": "^2.3.2",
     "@types/node": "^13.13.5",
     "@vue/compiler-sfc": "^3.0.0-beta.10",
-    "@vuepress/theme-vue": "^1.5.4",
     "babel-jest": "^26.0.1",
     "babel-loader": "^8.1.0",
     "brotli": "^1.3.2",
@@ -66,6 +65,7 @@
     "eslint-plugin-vue-libs": "^4.0.0",
     "execa": "^4.0.0",
     "express": "^4.17.1",
+    "fs-extra": "^9.0.1",
     "jest": "^26.0.1",
     "puppeteer": "^4.0.0",
     "regenerator-runtime": "^0.13.5",
@@ -77,10 +77,7 @@
     "typescript": "^3.8.3",
     "vue": "^3.0.0-beta.10",
     "vue-loader": "^16.0.0-beta.1",
-    "vue-template-compiler": "^2.5.22",
-    "vuepress-theme-vue": "^1.1.1",
-    "vue-template-compiler": "2.5.22",
-    "vuepress": "^1.5.4",
+    "vue-style-loader": "^4.1.2",
     "webpack": "^4.43.0",
     "webpack-dev-middleware": "^3.7.2",
     "webpack-hot-middleware": "^2.25.0"