talkatu/talkatu

README: Remove CI section and add issues badge

2020-10-12, Sorvival
459fa08eb5bd
README: Remove CI section and add issues badge

Remove CI section from the README since TeamCity is not ready to be public and also add a YouTrack badge that links to the issues for Talkatu

Reviewed at https://reviews.imfreedom.org/r/158/
Talkatu is versioned in [mercurial](https://www.mercurial-scm.org/) and is
available on [keep.imfreedom.org](https://keep.imfreedom.org/talkatu/talkatu).
All contributions are provided via review requests at [reviews.imfreedom.org](https://reviews.imfreedom.org/).