Add two links to armbian-config

docs/User-Guide_Armbian-Config.md

@@ -21,3 +21,25 @@ armbian-config
 ## Adding a new feature
 
 Please check [instructions](/Contribute/Armbian-config/).
+
+## Sources
+
+<https://github.com/armbian/configng>
+
+## Installation on 3rd party Linux OS
+
+This tool is tailored to works best with Armbian Linux but it has also been automatically tested on:
+
+- Debian Bookworm
+- Ubuntu Jammy
+- Ubuntu Noble
+
+In theory it should work on any systemd APT based Linux distributions such as: Linux Mint, Elementary OS, Kali Linux, MX Linux, Parrot OS, Proxmox, Raspberry Pi OS, ...
+
+~~~
+echo "deb [signed-by=/usr/share/keyrings/armbian.gpg] \
+https://github.armbian.com/configng stable main" | \
+sudo tee /etc/apt/sources.list.d/armbian-development.list > /dev/null
+sudo apt update
+sudo apt -y install armbian-config
+~~~