feat: 增加 changelog

package.json

 {
   "name": "haoban-operation-4",
   "version": "0.1.0",
-  "private": true,
+  "private": false,
   "scripts": {
     "serve": "vue-cli-service serve",
     "dev": "npm run serve",
     "start": "npm run serve",
     "build": "vue-cli-service build",
-    "lint": "vue-cli-service lint"
+    "lint": "vue-cli-service lint",
+    "version": "conventional-changelog -p angular -i changelog.md -s -r 0 && git add changelog.md"
   },
   "dependencies": {
     "awesome-phonenumber": "^2.35.0",
@@ -16,6 +17,7 @@
     "clipboard": "^2.0.4",
     "core-js": "^2.6.5",
     "element-ui": "^2.13.2",
+    "sass": "^1.26.10",
     "vue": "^2.6.10",
     "vue-router": "^3.0.3",
     "vuex": "^3.0.1"
@@ -31,9 +33,8 @@
     "less": "^3.9.0",
     "less-loader": "^5.0.0",
     "lint-staged": "^8.1.5",
-    "node-sass": "^4.9.0",
     "qs": "^6.7.0",
-    "sass-loader": "^7.1.0",
+    "sass-loader": "^9.0.2",
     "style-resources-loader": "^1.3.3",
     "stylus": "^0.54.5",
     "stylus-loader": "^3.0.2",