Up to the point where the payments to be reversed get
created via the native Sandbox API, instead of the add-incoming
API, that got recently removed from the Nexus implementation.
This commit split in three main things:
* added deploy-webext to upload the extension zipfile
* put scope into the npm packages to be able to deploy them
* added deploy-npm to deploy related npm packages
Also, fixing bug on `make clean`. Some packages where not
being deleting tsconfig.tsbuildinfo and making subsequent
`make` fail