Added docker information for running weechat in a container

README.md

@@ -5,6 +5,7 @@
 - [Setup](#setup)
   - [WeeChat](#weechat)
   - [Relay](#relay)
+  - [Docker](#docker)
 - [Settings](#settings)
   - [Appearance](#appearance)
   - [Settings](#appearance)
@@ -52,6 +53,22 @@ echo -e "[Unit]\nDescription=headless weechat relay service\nAfter=network.targe
 systemctl --user enable weechat-headless
 ```
 
+###### Docker
+```shell
+sudo apt update
+sudo apt install apt-transport-https ca-certificates curl gnupg2 software-properties-common
+curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -
+sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"
+sudo apt update
+apt-cache policy docker-ce
+sudo apt install docker-ce
+sudo usermod -aG docker ${USER}
+su - ${USER}
+
+mkdir -p ~/.weechat-container
+docker run -ti -v $HOME/.weechat-container:/home/user/.weechat weechat -d /home/user/.weechat
+```
+
 ---
 
 ### Settings