Change development repository domain name to github.armbian.com

README.md

@@ -45,7 +45,7 @@ sudo bin/armbian-config
 Run the following commands in your terminal:
 
 ```bash
-echo "deb [signed-by=/usr/share/keyrings/armbian.gpg] https://armbian.github.io/configng stable main" | sudo tee /etc/apt/sources.list.d/armbian-development.list > /dev/null
+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
 ```