restructure services based on host machine

nuc/bitwarden/.env.example

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+# DOMAIN_ROOT is the root domain that this service will register as with Traefik
+DOMAIN_ROOT=domain.tld

nuc/bitwarden/docker-compose.yml

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+---
+version: "3.8"
+services:
+  bitwarden:
+    image: vaultwarden/server:latest
+    container_name: bitwarden
+    restart: unless-stopped
+    
+    environment:
+      - DOMAIN_ROOT=${DOMAIN_ROOT}
+
+    labels:
+      - "traefik.http.services.bitwarden.loadbalancer.server.port=80"
+      - "traefik.enable=true"
+      - "traefik.http.routers.bitwarden.rule=Host(`bitwarden.${DOMAIN_ROOT}`)"
+      - 'traefik.http.routers.bitwarden.middlewares=authelia@docker'
+ 
+    volumes:
+     - vaultwarden_data:/data
+
+    networks:
+      - web
+
+networks:
+  web:
+    external: true
+
+volumes:
+  vaultwarden_data:
+    external: true
+