Add OBS Workflow
Add OBS Workflow

Continuous Integration with OBS for various Linux Distros as described here:
https://openbuildservice.org/2021/05/31/scm-integration/

Secret Github Token is owned by @derselbst
Secret OBS Token is owned by build.opensuse.org/users/derselbst
Fluidsynth Github Repo Webhook currently only set up for PullRequest
events (because it's the only event type supported by OBS, at the moment)

FluidSynth/fluidsynth,FluidSynth/fluidsynth,FluidSynth/fluidsynth,FluidSynth/fluidsynth