v2025.10.25-1

What's Changed

• Update Calibre ports and variables by @CLHatch in #2277
• Adjust a comment heading slightly for Calibre by @CLHatch in #2278
• Remove extraneous newline in Calibre variable file by @CLHatch in #2279
• Add backrest by @CLHatch in #2280
• Change menu.ini to dockstarter.ini by @CLHatch in #2281
• Allow optional arguments during fresh install. by @CLHatch in #2282
• Add package manager selection options by @CLHatch in #2283

Full Changelog: v2025.10.19-2...v2025.10.25-1