Merge branch 'main' of github.com:DenysMb/Unify

feat: add tabbed browsing, zoom controls, and audio mute (#22)

* feat(tray): add system tray visibility toggle

* feat(ui): add per-service zoom controls with persistence

* fix(qml): sync WebView zoom factor changes correctly our view property
when it changes

* feat(ui): replace zoom controls with dropdown menu

* feat(ui): add configurable zoom controls visibility

* feat(audio): add per-service and global mute functionality

* feat(services): add tabbed browsing support for services

* refactor(webview): replace internal link overlay with tab context menu

* refactor(qml): adjust spacing for first service tab icon

* refactor(webview): replace JavaScript with QML property for Ctrl key
detection

* refactor(webview): synchronize zoom factor between main and tab views

* chore: bump version to 0.5.0

Chore: Bump version to 0.4.0

Chore: Bump version to 0.3.1

Chore: Bump version to 0.3.0

Chore: Bump version to 0.2.1

Chore: Bump version to 0.2.0 and update metainfo

Removed application shortcuts functionality from the release notes.

Docs: Add LICENSE file