passermark Files

New colour workflow:

• colour menu with check, softproof, press export, CMYK conversion, papers and measurements, standard profiles and a short guide; same buttons in the print preparation workspace
• colour check (Ctrl+Shift+F): document facts vs. the chosen print condition (RGB, ink coverage, spot colours, output intent), plain-text findings, each with its own fix button, clickable spots like preflight
• export for the press: four-step wizard, ICC always embedded as output intent, RGB always asks (convert or keep profile), optional package with PDF, profiles and report; PDF/X-4-capable by Passermark's rules, not flagged or validated
• CLI job "press" for workflows/watchers (aborts on RGB without rgb flag)
• per-user materials in ~/.config/passermark/materials.json, "Measure paper" button creates and measures right away, device search via ArgyllCMS spotread, install help, tooltips; empty admin material list now explains the steps
• standard profiles (PSO Coated/Uncoated v3, FOGRA39/47/52, SC-B, GRACoL, SWOP) fetched from registry.color.org, not bundled for licence reasons (ECI: use and embed free, redistribution needs permission)

Also includes 1.16.5:

• workflow conditions (if/choose/else, fail/stop), serve --init, rejected files to failed/
• step & repeat step 2 applied in direct print
• clickable preflight findings
• print log (JSON + printlog.csv, reprint with changed-file warning)
• softproof and materials (admin tab), material in print dialog and CMYK conversion, install.sh optional argyll

README and CHANGELOG updated in EN/DE/HU/FR/ES.