README:
- Added prominent live demo banner at the top with links to
https://evershelfproject.dadaloop.it/demo and project website
Wiki (docs/wiki/):
- Home.md — overview, table of contents, what's new
- Installation.md — Docker, Apache, Nginx, HTTPS, cron, backup
- Configuration.md — full .env reference, settings UI, rate limits
- Features.md — complete feature documentation
- API-Reference.md — all REST endpoints with params/responses
- Android-Kiosk.md — setup wizard, permissions, troubleshooting
- Scale-Gateway.md — BLE protocol, setup, troubleshooting
- Translations.md — how to add/edit language files
- Contributing.md — dev workflow, branch strategy, CI, code style
- FAQ.md — common issues and solutions
- Add v1.2.0 version badge to app header
- Update CHANGELOG with v1.2.0 entries
- Bump manifest.json version to 1.2.0
- Bump OpenAPI spec version to 1.2.0