Add ignition files

ignition/base-install-docker.ign

@@ -0,0 +1,48 @@
+{
+  "ignition": {
+    "version": "3.5.0"
+  },
+  "passwd": {
+    "users": [
+      {
+        "groups": [
+          "docker"
+        ],
+        "name": "core"
+      }
+    ]
+  },
+  "storage": {
+    "directories": [
+      {
+        "group": {
+          "name": "docker"
+        },
+        "path": "/var/docker",
+        "user": {
+          "name": "core"
+        }
+      }
+    ],
+    "files": [
+      {
+        "path": "/var/home/core/.bashrc",
+        "append": [
+          {
+            "compression": "",
+            "source": "data:,alias%20dc%3D'docker%20compose%20-f%20%2Fvar%2Fdocker%2Fdocker-compose.yml'"
+          }
+        ]
+      }
+    ]
+  },
+  "systemd": {
+    "units": [
+      {
+        "contents": "[Unit]\nDescription=Install Docker CE\nWants=network-online.target\nAfter=network-online.target\nBefore=zincati.service\nConditionPathExists=!/var/lib/%N.stamp\n\n[Service]\nType=oneshot\nRemainAfterExit=yes\nExecStart=/usr/bin/curl --output-dir \"/etc/yum.repos.d\" --remote-name https://download.docker.com/linux/fedora/docker-ce.repo\nExecStart=/usr/bin/rpm-ostree override remove moby-engine containerd runc docker-cli --install docker-ce\nExecStart=/usr/bin/touch /var/lib/%N.stamp\nExecStart=/usr/bin/systemctl enable docker.service\nExecStart=/usr/bin/systemctl --no-block reboot\n\n[Install]\nWantedBy=multi-user.target",
+        "enabled": true,
+        "name": "rpm-ostree-install-docker-ce.service"
+      }
+    ]
+  }
+}