Add support for Pangolin LXC

[seanford]

🌟 Briefly describe the feature

Add support for Pangolin LXC

📝 Detailed description

https://docs.fossorial.io/Getting%20Started/quick-install

💡 Why is this useful?

Good solution for self-hosted remote access.

[MickLesk]

Script requests in discussion & pangolin is an full docker optimized tool