feat: update docker compose to newest config syntax

Author: FRSgit

docker-compose.yml

@@ -1,9 +1,8 @@
-version: '2'
-
 # most of the configuration based on instruction from:
 # https://github.com/nginx-proxy/acme-companion/blob/main/docs/Docker-Compose.md
 # and
 # https://hub.docker.com/r/nginxproxy/acme-companion#:~:text=and%20443.-,Basic%20usage,-(with%20the%20nginx
+# just rewritten to docker compose config format version 3
 
 services:
   nginx-proxy:
@@ -18,6 +17,7 @@ services:
       - "443:443"
     volumes:
       - html:/usr/share/nginx/html
+      - vhost:/etc/nginx/vhost.d
       - certs:/etc/nginx/certs:ro
       - /var/run/docker.sock:/tmp/docker.sock:ro
     restart: unless-stopped
@@ -50,6 +50,7 @@ services:
 volumes:
   html:
   certs:
+  vhost:
   acme:
 
 networks: