[mirotalk] - add docker-compose.template.yml

docs/self-hosting.md

@@ -72,6 +72,8 @@ $ sudo apt install docker-compose
 
 # Copy .env.template to .env and edit it if needed
 $ cp .env.template .env
+# Copy docker-compose.template.yml in docker-compose.yml (edit it according to your needs)
+$ cp docker-compose.template.yml docker-compose.yml
 # Get official image from Docker Hub
 $ docker pull mirotalk/p2p:latest
 # Create and start containers