Pagemark 1.0.0

First stable release. No new features: this is the 0.13.4 app, audited, device-tested on a Galaxy S25 Ultra, and documented.

Added

• Google Play listing assets (icon, feature graphic, phone screenshots) under docs/play/, built by docs/_tools/build_play_assets.py.
• Complete documentation set: User Manual, Install Manual, Release Notes, Package Overview (simple, medium, advanced) and a 1.0.0 readiness report.

Changed

• Version 1.0.0 (build 26).