Rename app service to people-randomizr-app in docker-compose.yml, update container name, and add Watchtower label for automatic updates.

docker-compose.yml

@@ -1,17 +1,19 @@
 version: "3.8"
 
 services:
-  app:
+  people-randomizr-app:
     build:
       context: .
       dockerfile: Dockerfile
-    container_name: people-randomizr
+    container_name: people-randomizr-app
     ports:
       - "4399:3000"
     environment:
       - NODE_ENV=production
       - NEXT_TELEMETRY_DISABLED=1
     restart: unless-stopped
+    labels:
+      - "com.centurylinklabs.watchtower.enable=false"
     healthcheck:
       test:
         [