feat: Update container inspect with size option

[coderbirju]

Issue #, if available:
Adds SizeRW and SizeRootFs options to inspect response

Inspect response without size option passed

{
  "Id": "842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c",
  "Created": "2025-02-10T19:43:07.960689829Z",
  "Path": "sleep",
  "Args": [],
  "State": { ...},
  "Image": "docker.io/library/ubuntu:latest",
  "ResolvConfPath": "/var/lib/nerdctl/1935db59/containers/finch/842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c/resolv.conf",
  "HostnamePath": "/var/lib/nerdctl/1935db59/containers/finch/842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c/hostname",
  "LogPath": "/var/lib/nerdctl/1935db59/containers/finch/842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c/842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c-json.log",
  "Name": "/my-test-container",
  "RestartCount": 0,
  "Driver": "overlayfs",
  "Platform": "linux",
  "AppArmorProfile": "",
   "Mounts": [...],
  "Config": {...}
  "NetworkSettings": null
}

Inspect response with size set (containers/<id>/json?size=1)

{
  "Id": "842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c",
  "Created": "2025-02-10T19:43:07.960689829Z",
  "Path": "sleep",
  "Args": [],
  "State": { ...},
  "Image": "docker.io/library/ubuntu:latest",
  "ResolvConfPath": "/var/lib/nerdctl/1935db59/containers/finch/842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c/resolv.conf",
  "HostnamePath": "/var/lib/nerdctl/1935db59/containers/finch/842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c/hostname",
  "LogPath": "/var/lib/nerdctl/1935db59/containers/finch/842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c/842c7a142d2249f0c25e654a10e4fb10ac5ae2c7fa6cd6fa8d94dbc5fd44ac2c-json.log",
  "Name": "/my-test-container",
  "RestartCount": 0,
  "Driver": "overlayfs",
  "Platform": "linux",
  "AppArmorProfile": "",
  "SizeRw": 4096,
  "SizeRootFs": 87609344,
  "Mounts": [...],
  "Config": {...}
  },
  "NetworkSettings": null
}

Description of changes:

Testing done:

• I've reviewed the guidance in CONTRIBUTING.md

License Acceptance

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[swagatbora90]

LGTM!