updates including README

README.md

@@ -5,9 +5,13 @@ Docker image for simple or customizable Trackmania Nations Forever server
 ```docker run -e {required environment variables} -p {selected ports} fanyx/tmserver```
 
 ### There are several required environment variables that you need to set:
+```
   - $SERVER_LOGIN               | Server account login
   - $SERVER_LOGIN_PASSWORD      | Server account password
-  
+```
+
+
+```
 ### Optional environment variables are:
   - $SERVER_PORT                | Port for server communications -> Default : 2350
   - $SERVER_P2P_PORT            | Port for peer2peer communication -> Default : 3450
@@ -16,6 +20,8 @@ Docker image for simple or customizable Trackmania Nations Forever server
   - $SERVER_NAME                | Server name in ingame browser -> Default : "Trackmania Server"
   - $SERVER_COMMENT             | Server description -> Default : "This is a Trackmania Server"
   - $SERVER_PASSWORD            | If you want to secure your server against unwanted logins, set a server password
+```
+
 
 ## Running this image with `docker-compose`
 I have a default [`docker-compose.yml`](https://github.com/ryluth/docker-tmserver/blob/master/docker-compose.yml) included in this repository.