update readme docker installation

README.md

@@ -40,6 +40,23 @@ make
 ./PyMenu
 ```
 
+## Installation - Docker
+- Clone the project:
+``` bash
+git clone https://git.chauvet.pro/starnakin/PyMenuBOT/
+cd PyMenuBOT
+```
+- Config the bot
+Edit the `src/config.h` file and set the discord bot token
+- Build the docker image.
+``` bash
+docker build -t pymenu .
+```
+- Run the docker
+```bash
+docker run --restart=always -d pymenu
+```
+
 ## Setting up on Your Discord Server
 - Add the bot to your server (using [the official instance](https://discord.com/oauth2/authorize?client_id=818558187443716137&scope=bot+applications.commands&permissions=10737428544))
 - Create a category called `listes-de-course`