Add Flatpak

readme.md

@@ -174,6 +174,7 @@
 	- [Arch-based Projects](https://github.com/PandaFoss/Awesome-Arch#readme) - Linux distributions and projects based on Arch Linux.
 	- [AppImage](https://github.com/AppImage/awesome-appimage#readme) - Package apps in a single file that works on various mainstream Linux distributions.
 - macOS - Operating system for Apple's Mac computers.
+  	- [Flatpak](https://flatpak.org/) - Package manager used to build packages for linux distros(all distros)
 	- [Screensavers](https://github.com/agarrharr/awesome-macos-screensavers#readme)
 	- [Apps](https://github.com/jaywcjlove/awesome-mac#readme)
 	- [Open Source Apps](https://github.com/serhii-londar/open-source-mac-os-apps#readme)