chore: add files

Author: Tidyzq

package.json

@@ -3,6 +3,9 @@
   "version": "1.0.4",
   "description": "小程序 WeUI 组件库",
   "main": "miniprogram_dist/index.js",
+  "files": [
+    "miniprogram_dist"
+  ],
   "scripts": {
     "submodule": "git submodule init && git submodule update --init",
     "init": "npm run submodule && npm i && cd src/weui-wxss && npm i && gulp build:style && cd ../../ && npm run dev",