added rootful eve quadlets

hello.container

@@ -0,0 +1,19 @@
+[Unit]
+Description=Hello World Quadlet (prints hostname + time)
+After=network-online.target
+Wants=network-online.target
+
+[Container]
+Image=docker.io/library/busybox:latest
+#ContainerName=hello
+User=1000
+UserNS=keep-id:uid=1000,gid=1000
+Exec=sh -c 'while true; do echo "Hello from $(hostname) at $(date)"; sleep 5; done'
+
+[Service]
+Restart=always
+RestartSec=2
+TimeoutStartSec=30
+TimeoutStopSec=30
+
+# Note: omit [Install] so it won't be enabled by default