[sc-11177] include src in package.json's file

Author: haoAddsearch

package.json

@@ -33,7 +33,8 @@
   "types": "index.d.ts",
   "files": [
     "dist",
-    "index.d.ts"
+    "index.d.ts",
+    "src"
   ],
   "scripts": {
     "build": "npm run test && ./node_modules/webpack-cli/bin/cli.js",