fix: update npm scripts to do not ignore dist

Author: emanuelgsouza

package.json

@@ -16,7 +16,7 @@
     "build:standalone:es5": "STANDALONE=yes ENABLE_BABEL=yes rollup --config",
     "build:standalone:es6": "STANDALONE=yes rollup --config",
     "test": "NODE_ENV='test' jest --silent",
-    "prepare": "npm run-script build"
+    "prepare": "npm run build"
   },
   "repository": {
     "type": "git",