Adding compose file

README.md

@@ -6,10 +6,7 @@ located at [matterlinux.xyz](https://matterlinux.xyz)
 Web server can be built and deployed with docker:
 ```
 docker build --tag matterwebsite .
-docker run -d --name matterweb              \
-           -p 127.0.0.1:9878:9878           \
-           -v $PWD/content:/app/content     \
-           matterwebsite
+docker-compose up -d
 ```
 
 ### Managing Content