Add support to publish an uber package

[matt-gadd]

An uber package is essentially the same as the structure of the git repo, with the added dist folder with the generated outputs for umd and esm.

We'd like to publish the uber packages under the @dojo scope. For example:
dojo-has (umd) ---> @dojo/has (uber).

The work to add this to the release task is trivial, but one thing we must deal with is switching the dojo dependencies in the package.json (which are the umd ones) to use the uber equivalents, so that in effect, when you pull an uber package down from npm you will get any of the dependencies of it in uber form also.

[kitsonk]

@matt-gadd I am not sure this reflects our current thinking and is unactionable in its current state. I maybe wrong, and if I am, we should clarify the scope of this issue.

[agubler]

Superseded by dojo/scripts