chore: add new env to docker-compose example

Author: Ariastarcos

docker-compose.yml

@@ -15,6 +15,7 @@ services:
       PLAYER_COUNT_PROVIDER: ${PLAYER_COUNT_PROVIDER}
       DISCORD_PUBLISHER_MESSAGE_FORMAT: ${DISCORD_PUBLISHER_MESSAGE_FORMAT}
       DISCORD_PUBLISHER_MESSAGE_QUEUED_FORMAT: ${DISCORD_PUBLISHER_MESSAGE_QUEUED_FORMAT}
+      DISCORD_PUBLISHER_MESSAGE_NEXT_RESTART_FORMAT: ${DISCORD_PUBLISHER_MESSAGE_NEXT_RESTART_FORMAT}
       STEAM_API_TOKEN: ${STEAM_API_TOKEN}
       GAME_ADDRESS: ${GAME_ADDRESS}
       BM_ACCESS_TOKEN: ${BM_ACCESS_TOKEN}