add nginx example conf

vaultwarden/docker-compose.yml

@@ -0,0 +1,18 @@
+'3'
+
+services:
+  vaultwarden:
+    image: vaultwarden/server:latest
+    container_name: vaultwarden
+    restart: always
+    environment:
+      WEBSOCKET_ENABLED: "true"  # Enable WebSocket notifications.
+      SIGNUPS_ALLOWED: "false"
+      # TODO create an admin token
+      ADMIN_TOKEN: "abc"
+    volumes:
+      - ./vw-data:/data
+    ports:
+      - 50002:80
+      - 50003:3012
+