[Doc] Update Changelog

Changelog

@@ -1,3 +1,47 @@
+v1.7.0: Iggy 2024
+   - ADD: -steal-focus option.
+   - ADD: [Config] Add nested configuration option support.
+   - ADD: [Config] Support for handling dynamic config options.
+   - ADD: [IconFetcher] Find images shipped with the theme.
+   - ADD: [DRun] Add support for passing file (using file-browser) completer for desktop files that support his.
+   - ADD: [DRun] Support for service files.
+   - ADD: [FileBrowser] Allow setting startup directory (#1325)
+   - ADD: [FileBrowser]: Add sorting-method. (#1340)
+   - ADD: [FileBrowser] Add option to group directories ahead of files. (#1352)
+   - ADD: [Filtering] Add prefix matching method. (#1237)
+   - ADD: [Icon] Add option to square the widget.
+   - ADD: [Icon|Button] Make action available on icon, button and keybinding name.
+   - ADD: [KeyBinding] Add Ctrl-Shift-Enter option. (#874)
+   - ADD: [ListView]-hover-select option. (#1234)
+   - ADD: [Run] Add support for passing file (using file-browser) completer.
+   - ADD: [Textbox] Allow theme to force markup on text widget.
+   - ADD: [Theme] theme validation option. (`-rasi-validate`)
+   - ADD: [View] Add support for user timeout and keybinding action.
+   - ADD: [Widget] Add cursor property (#1313)
+   - ADD: [Widget] Add scaling option to background-image.
+   - ADD: [Widget] Add support background-image and lineair gradient option.
+   - ADD: [Window] Add pango markup for window format (#1288)
+   - ADD: [Window] Allow rofi to stay open after closing window.
+   - FIX: [DSL] Move theme reset into grammar parser from lexer.
+   - FIX: [Drun]: fix sorting on broken desktop files. (thanks to nick87720z)
+   - FIX: [File Browser]: Fix escaping of paths.
+   - FIX: [ListView] Fix wrong subwidget name.
+   - FIX: [Script] Don't enable custom keybindings by default.
+   - FIX: [TextBox] Fix height estimation.
+   - FIX: [Theme] widget state and inherited properties. This should help fixing some old themes with changes from 1.6.1.
+   - FIX: [Widget] Fix rendering of border and dashes. (Thanks to nick87720z)
+   - FIX: [Build] Fix CI.
+   - FIX: [Theme] Discard old theme, when explicitly passing one on command line.
+   - REMOVE: -dump-xresources
+   - REMOVE: -fullscreen
+   - REMOVE: -show-match
+   - REMOVE: Old xresources based configuration file.
+   - REMOVE: fake transparency/background option, part of theme now.
+   - REMOVE: xresources parsing via Xserver
+   - Remove: [Theme] Remove backwards compatiblity hack.
+   - DOC: Update changes to manpages
+
+
 v1.6.1: Tortoise Power
    - Use GdkPixbuf for Icon parsing.
    - Add FileBrowser to default mode.