Add Download Briar Desktop page

content/page/download-briar-desktop.md

+---
+title: "Download Briar Desktop"
+date: 2022-01-17T18:06:53-05:00
+draft: true
+---
+Briar Desktop is now available for download as `.deb` and  `.jar` files for Linux operating systems.
+
+Thank you to everyone who has tested Briar Desktop and sent feedback! We’ve fixed a lot of bugs and made many improvements thanks to your feedback.
+
+Download Briar Desktop for Linux:
+
+- [Ubuntu 20.04 and compatible .deb](https://desktop.briarproject.org/debs/focal/briar-desktop-ubuntu-20.04.deb): Linux Mint 20.X (Ulyana, Ulyssa, Uma, Una), elementaryOS 6.X (Odin, Jólnir), Trisquel 10 (Nabia)
+- [Debian stable (bullseye) and compatible .deb](https://desktop.briarproject.org/debs/bullseye/briar-desktop-debian-bullseye.deb): MX Linux MX-21
+- [Ubuntu 18.04 and compatible .deb](https://desktop.briarproject.org/debs/bionic/briar-desktop-ubuntu-18.04.deb): Linux Mint 19.X (Tara, Tessa, Tina, Tricia), elementaryOS 5.X (Juno, Hera), Trisquel 9 (Etiona)
+
+- [.jar](https://desktop.briarproject.org/jars/linux/briar-desktop-linux.jar)
+
+All our software is open source - you can [browse the source
+code](https://code.briarproject.org/briar/briar-desktop) or [build
+the app from source](/https://code.briarproject.org/briar/briar-desktop#building-and-running).
+
+If you'd like to be informed about future Briar releases, or are interested in getting involved in the project, please [join the community!](/get-involved)
+