This fixes a typescript problem and allows us to enable type checking
in the typescript-example package (by removing the ts-nocheck comment)

lerna complains about this

And remove the custom publish commands

It's nice to have to aborting requests and adding timeouts to them.
This is in theory supported in all browsers covered by other checks,
but Safari 11.x had a broken implementation.

Fixes #38

Takes a package name and a dest path. This way we can more eassily change the
layout and it will error out on package name typos or missing packages.

The rollup json plugin allows accessing keyss with named exports,
so we can read the package name at build time.

Add a scope so we don't have to care about naming conflicts
and set the verison to 0.1.0 since we don't have a stable API yet.