chore(package.json): 新增config，使得项目中可以使用git cz

package.json

@@ -47,6 +47,7 @@
     "@vue/cli-service": "~4.5.0",
     "autoprefixer": "^9.8.6",
     "babel-plugin-import": "^1.13.3",
+    "cz-conventional-changelog": "^3.3.0",
     "less": "^3.13.1",
     "less-loader": "^5.0.0",
     "postcss": "^7.0.36",
@@ -61,5 +62,10 @@
     "> 1%",
     "last 2 versions",
     "not dead"
-  ]
+  ],
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
+  }
 }