Properly expose TS types

[floriansimon1]

Blocks #8

[floriansimon1]

Feel free to unassign if you don't have the time to tackle the issue

[rvsteen]

It's not an issue of time but a complete lack of how-to-do-it.

[rvsteen]

Types.js has been removed for now, as it is not important for this release.
This issue can be picked up with low prio.