Add missing workers for jobs, post install message for setup, and pull in emujs/ruffle from docker release

supervisor/rq.conf

@@ -0,0 +1,13 @@
+[program:rq]
+priority=10
+directory=/app/code/backend
+environment=HOME=/app/code
+environment=PYTHONPATH="/app/code/backend:${PYTHONPATH-}"
+command=uv run rq worker --path /app/code/backend --pid /tmp/rq_worker.pid --url "redis://%(ENV_REDIS_HOST)s:%(ENV_REDIS_PORT)s/0" high default low
+user=cloudron
+autostart=true
+autorestart=true
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0