chore: ship 1.7.0 .deb as latest in dist/ + changelog (v1.7.0)

CHANGELOG.md

@@ -4,6 +4,17 @@ All notable changes to imajViewer are documented in this file.
 
 ## [Unreleased]
 
+## [1.7.0] - 2026-10-20
+
+### Added
+- Settings dialog shows the app version next to the name.
+- Fine zoom: `Ctrl`+wheel zooms 1% per step (plain wheel stays 10% per step).
+- Settings shortcut list completed: `Ctrl+O` (open), `Esc` (exit fullscreen), scroll/zoom,
+  `Ctrl`+scroll fine zoom, left-drag pan, double right click (reset effects).
+
+### Changed
+- README: zoom feature line and shortcut table updated to match.
+
 ## [1.6.3] - 2026-10-20
 
 ### Fixed