Add Rizin to the list of meson users

docs/markdown/Users.md

@@ -121,6 +121,7 @@ format files
  - [Polari](https://gitlab.gnome.org/GNOME/polari), an IRC client
  - [qboot](https://github.com/bonzini/qboot), a minimal x86 firmware for booting Linux kernels
  - [radare2](https://github.com/radare/radare2), unix-like reverse engineering framework and commandline tools (not the default)
+ - [Rizin](https://rizin.re), Free and Open Source Reverse Engineering Framework
  - [QEMU](https://qemu.org), a processor emulator and virtualizer
  - [RxDock](https://gitlab.com/rxdock/rxdock), a protein-ligand docking software designed for high throughput virtual screening (fork of rDock)
  - [scrcpy](https://github.com/Genymobile/scrcpy), a cross platform application that provides display and control of Android devices connected on USB or over TCP/IP