GHCR keeps throttling the streamer's base image pull, so drop the GitHub
image workflow for now and have users build with docker compose. The
forge workflow keeps its retry for the operator's own deployment.
mirror/github-mirror.sh publishes main and its tags to a read-only
GitHub mirror, adding a notice under the README title, with a systemd
timer to run it hourly. A GitHub Actions workflow builds the images on
the mirror and pushes them to ghcr.io. The docs point prebuilt images
there, and CONTRIBUTING no longer invites issues and pull requests.
upstream-status.sh now fetches without tags, so upstream's version tags
stay out of local clones.
branderson