[cmd-line] Enhance image info with file size

[PalumboN]

Would be nice to have the size of the image file in the info of the image:

➜ pl image info p11-druid-with-mutalk
Name: p11-druid-with-mutalk
Architecture: 64
Pharo version: 110
Last modified: 2024-02-29 14:55:51
Description: There is no description
Origin template: Pharo 11.0 - 64bit (stable)
Template URL: https://files.pharo.org/image/110/latest-64.zip
Local path: /Users/palumbon/Documents/Pharo/images/p11-druid-with-mutalk/p11-druid-with-mutalk.image

Version information:

➜ pl -v
3.1.1-476-g723df186