* enforce non-backend plugin signing * fix tests * add tests * add signatures * apply PR feedback * update upgrading docs
* Introduce TSDB service Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com> Co-authored-by: Erik Sundell <erik.sundell87@gmail.com> Co-authored-by: Will Browne <will.browne@grafana.com> Co-authored-by: Torkel Ödegaard <torkel@grafana.org> Co-authored-by: Will Browne <wbrowne@users.noreply.github.com> Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>