Add Entangle application to list of apps using Meson

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

docs/markdown/Users.md

@@ -30,6 +30,7 @@ topic](https://github.com/topics/meson).
  - [DXVK](https://github.com/doitsujin/dxvk), a Vulkan-based Direct3D 11 implementation for Linux using Wine
  - [elementary OS](https://github.com/elementary/), Linux desktop oriented distribution
  - [Emeus](https://github.com/ebassi/emeus), constraint based layout manager for GTK+
+ - [Entangle](https://entangle-photo.org/), tethered camera control and capture desktop application
  - [ESP8266 Arduino sample project](https://github.com/trilader/arduino-esp8266-meson), sample project for using the ESP8266 Arduino port with Meson
  - [FeedReader](https://github.com/jangernert/FeedReader), a modern desktop application designed to complement existing web-based RSS accounts
  - [Flecs](https://github.com/SanderMertens/flecs), a Fast and Lightweight ECS (Entity Component System) C library