release: v1.2.0 - EverShelf rebrand + version badge

- 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

CHANGELOG.md

@@ -5,6 +5,26 @@ All notable changes to EverShelf will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.2.0] - 2026-04-13
+
+### Changed
+- **Project renamed** from "Dispensa Manager" to **EverShelf**
+- Contact email updated to `evershelfproject@gmail.com`
+- Docker service, container, and volume renamed to `evershelf`
+- SQLite database renamed from `dispensa.db` to `evershelf.db`
+- All localStorage keys migrated: `dispensa_*` → `evershelf_*`
+- Apache config file renamed to `evershelf.conf`
+- CI workflow Docker image/container names updated
+- App name updated in all translations (it, en, de)
+- Navigation title updated to EverShelf across all languages
+
+### Added
+- Version badge (`v1.2.0`) in the app header
+
+### Fixed
+- JS file truncation caused by `sed` in-place edit on large files
+- Browser cache invalidation via bumped asset version strings (`?v=20260413a`)
+
 ## [1.0.0] - 2026-04-10
 
 ### Added