fix(release): forgot to build before publish 😱

Author: DrSensor

package.json

@@ -22,7 +22,8 @@
 		"test": "jest || true",
 		"test:watch": "jest --watch || true",
 		"test:coverage": "jest --collectCoverageFrom='src/**/*.js' --coverage || true",
-		"prepare": "flow-typed install jest && flow-typed install --ignoreDeps dev && npm run lint:fix"
+		"prepare": "flow-typed install jest && flow-typed install --ignoreDeps dev && npm run lint:fix",
+		"prepublish": "npm run build"
 	},
 	"files": ["dist/"],
 	"engines": {