Problem during build&run
Hi Lucas, how are you?

I was trying to run your project and looking at the `package.json` scripts I've seen that the `watch`, does not work.

Any clue on how can we solve this?

![image](https://user-images.githubusercontent.com/8363610/86066100-9ac0ea80-ba47-11ea-9b49-1a637ae2f8c9.png)