Add Vocalis and zathura, Handbrake is now GTK4 (#278)

Co-authored-by: Loïc Reynier <88983487+loicreynier@users.noreply.github.com>

Author: GerryT11

README.md

@@ -219,6 +219,7 @@ this list aims to be broader and include apps from various other ecosystems in v
 - [Simple Wireplumber GUI](https://github.com/dyegoaurelio/simple-wireplumber-gui) - WirePlumber (PipeWire session manager) GUI to rename devices and show properties. `#python` `#gtk4` `#libadwaita`.
 - [SoundConverter](https://soundconverter.org) - Multithreaded sound converter with compatibility with everything that GStreamer reads and automatic renaming `#python` `#gtk3`.
 - [Tagger](https://github.com/NickvisionApps/Tagger) - Music tag (metadata) editor `#csharp` `#gtk4` `#libadwaita`.
+- [Vocalis](https://flathub.org/apps/org.gnome.SoundRecorder) - Sound recorder for the GNOME desktop `#gjs` `#gtk4` `#libadwaita`.
 - [Whisper](https://github.com/mijorus/whisper) - Application to listen to the microphone through the speakers `#python` `#gtk4`.
 
 ### Music Software
@@ -274,7 +275,7 @@ this list aims to be broader and include apps from various other ecosystems in v
 
 - [Camera (Snapshot)](https://apps.gnome.org/Snapshot) - Application to take pictures and videos on your computer, tablet and phone `#rust` `#gtk4` `#libadwaita` `#gnome`.
 - [Cameractrls](https://github.com/soyersoyer/cameractrls) - GUI and camera viewer (SDL) to set the camera controls (V4L2 or extensions) in Linux `#python` `#gtk4`.
-- [HandBrake](https://handbrake.fr) - Cross-platform video convertor that supports nearly any format `#c` `#gtk3`.
+- [HandBrake](https://handbrake.fr) - Cross-platform video convertor that supports nearly any format `#c` `#gtk4`.
 - [Identity](https://apps.gnome.org/Identity) - Program for comparing multiple versions of an image or video `#rust` `#gtk4` `#libadwaita` `#gnome`.
 - [media-toc](https://github.com/fengalin/media-toc) - Application to build a table of contents from a media or to split a media file into chapters `#rust` `#gtk3`.
 - [Megapixels](https://gitlab.com/megapixels-org/Megapixels) - Camera application for Linux phones `#c` `#gtk4`.
@@ -540,9 +541,10 @@ Clients for commercial social platforms that had their API access cut off in a w
 
 ### Document Viewers
 
-- [Xreader](https://github.com/linuxmint/xreader) - Generic document viewer with support for PDF, Postscript, djvu, comics and more `#c` `#gtk3` `#libxapp`.
 - [Evince](https://apps.gnome.org/Evince) - Document viewer for the GNOME desktop with support for PDF, Postscript, DjVu, comics etc. and SyncTex support with gedit `#c` `#gtk3` `#libhandy` `#gnome`.
 - [Papers](https://apps.gnome.org/en/Papers) - Document viewer for the GNOME desktop (GTK 4 fork of Evince) with support for PDF, Postscript, DjVu, EPS, XPS and comics archives `#c` `#gtk4` `#libadwaita` `#gnome`.
+- [Xreader](https://github.com/linuxmint/xreader) - Generic document viewer with support for PDF, Postscript, DjVu, comics and more `#c` `#gtk3` `#libxapp`.
+- [zathura](https://pwmt.org/projects/zathura) - Minimalist and customizable document viewer with support for PDF, PostScript, DjVu and comic book `#c` `#gtk3`.
 
 ### Document Scanners