Improve instance descriptions and visualization about workshops

[jpnurmi]

For reference, here's the full data available for the first instance in the above screenshot.

{
  "architecture": "x86_64",
  "config": {
    "image.architecture": "amd64",
    "image.description": "Ubuntu bionic amd64 (20220827_07:43)",
    "image.os": "Ubuntu",
    "image.release": "bionic",
    "image.serial": "20220827_07:43",
    "image.type": "squashfs",
    "image.variant": "cloud",
    "raw.idmap": "uid 1000 1000\ngid 1000 1000\n",
    "user.name": "jpnurmi",
    "volatile.base_image": "fcfc8c4f07718d897568151eb972056d97bee40bc6380719420077e7a33b1663",
    "volatile.cloud-init.instance-id": "ecd7edcd-09b6-40f0-85f9-f62cf887972d",
    "volatile.eth0.hwaddr": "00:16:3e:d6:f1:d3",
    "volatile.idmap.base": "0",
    "volatile.idmap.current": "[{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000},{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000,\"Nsid\":1000,\"Maprange\":1},{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1001001,\"Nsid\":1001,\"Maprange\":999998999},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000,\"Nsid\":1000,\"Maprange\":1},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1001001,\"Nsid\":1001,\"Maprange\":999998999}]",
    "volatile.idmap.next": "[{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000},{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000,\"Nsid\":1000,\"Maprange\":1},{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1001001,\"Nsid\":1001,\"Maprange\":999998999},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000,\"Nsid\":1000,\"Maprange\":1},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1001001,\"Nsid\":1001,\"Maprange\":999998999}]",
    "volatile.last_state.idmap": "[]",
    "volatile.last_state.power": "STOPPED",
    "volatile.last_state.ready": "false",
    "volatile.uuid": "460feada-fee3-4dce-9e21-93025fc79fc6"
  },
  "devices": {
    "gpu": {
      "gputype": "physical",
      "type": "gpu"
    },
    "home": {
      "path": "/home/jpnurmi",
      "source": "/home/jpnurmi",
      "type": "disk"
    },
    "lxd": {
      "bind": "instance",
      "connect": "unix:/var/snap/lxd/common/lxd/unix.socket",
      "gid": "1000",
      "listen": "unix:/srv/lxd/unix.socket",
      "type": "proxy",
      "uid": "1000"
    },
    "pulse": {
      "bind": "instance",
      "connect": "unix:/run/user/1000/pulse/native",
      "gid": "1000",
      "listen": "unix:/srv/pulse/native",
      "mode": "0777",
      "security.gid": "1000",
      "security.uid": "1000",
      "type": "proxy",
      "uid": "1000"
    },
    "x11": {
      "bind": "instance",
      "connect": "unix:/tmp/.X11-unix/X0",
      "gid": "1000",
      "listen": "unix:/tmp/.X11-unix/X0",
      "security.gid": "1000",
      "security.uid": "1000",
      "type": "proxy",
      "uid": "1000"
    }
  },
  "ephemeral": false,
  "profiles": [
    "default"
  ],
  "stateful": false,
  "description": "",
  "created_at": "2022-08-29T09:54:20.385925Z",
  "expanded_config": {
    "image.architecture": "amd64",
    "image.description": "Ubuntu bionic amd64 (20220827_07:43)",
    "image.os": "Ubuntu",
    "image.release": "bionic",
    "image.serial": "20220827_07:43",
    "image.type": "squashfs",
    "image.variant": "cloud",
    "raw.idmap": "uid 1000 1000\ngid 1000 1000\n",
    "user.name": "jpnurmi",
    "volatile.base_image": "fcfc8c4f07718d897568151eb972056d97bee40bc6380719420077e7a33b1663",
    "volatile.cloud-init.instance-id": "ecd7edcd-09b6-40f0-85f9-f62cf887972d",
    "volatile.eth0.hwaddr": "00:16:3e:d6:f1:d3",
    "volatile.idmap.base": "0",
    "volatile.idmap.current": "[{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000},{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000,\"Nsid\":1000,\"Maprange\":1},{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1001001,\"Nsid\":1001,\"Maprange\":999998999},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000,\"Nsid\":1000,\"Maprange\":1},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1001001,\"Nsid\":1001,\"Maprange\":999998999}]",
    "volatile.idmap.next": "[{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000},{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000,\"Nsid\":1000,\"Maprange\":1},{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1001001,\"Nsid\":1001,\"Maprange\":999998999},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000,\"Nsid\":1000,\"Maprange\":1},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1001001,\"Nsid\":1001,\"Maprange\":999998999}]",
    "volatile.last_state.idmap": "[]",
    "volatile.last_state.power": "STOPPED",
    "volatile.last_state.ready": "false",
    "volatile.uuid": "460feada-fee3-4dce-9e21-93025fc79fc6"
  },
  "expanded_devices": {
    "eth0": {
      "name": "eth0",
      "network": "lxdbr0",
      "type": "nic"
    },
    "gpu": {
      "gputype": "physical",
      "type": "gpu"
    },
    "home": {
      "path": "/home/jpnurmi",
      "source": "/home/jpnurmi",
      "type": "disk"
    },
    "lxd": {
      "bind": "instance",
      "connect": "unix:/var/snap/lxd/common/lxd/unix.socket",
      "gid": "1000",
      "listen": "unix:/srv/lxd/unix.socket",
      "type": "proxy",
      "uid": "1000"
    },
    "pulse": {
      "bind": "instance",
      "connect": "unix:/run/user/1000/pulse/native",
      "gid": "1000",
      "listen": "unix:/srv/pulse/native",
      "mode": "0777",
      "security.gid": "1000",
      "security.uid": "1000",
      "type": "proxy",
      "uid": "1000"
    },
    "root": {
      "path": "/",
      "pool": "default",
      "type": "disk"
    },
    "x11": {
      "bind": "instance",
      "connect": "unix:/tmp/.X11-unix/X0",
      "gid": "1000",
      "listen": "unix:/tmp/.X11-unix/X0",
      "security.gid": "1000",
      "security.uid": "1000",
      "type": "proxy",
      "uid": "1000"
    }
  },
  "name": "possible-rooster",
  "status": "Stopped",
  "status_code": 102,
  "last_used_at": "2022-09-06T11:26:01.965329Z",
  "location": "none",
  "type": "container",
  "project": "default"
}