gitlab: Add support for GitLab CI
This adds a Dockerfile to generate a Docker image with the required dependencies on top of the standard Ubuntu 18.04 image. The Gitlab CI then runs the PulseAudio build within this image.
This adds a Dockerfile to generate a Docker image with the required dependencies on top of the standard Ubuntu 18.04 image. The Gitlab CI then runs the PulseAudio build within this image.