chore(dev): lokaler Stack startet nach Neustart des Rechners wieder

restart: unless-stopped fuer web, api, db (docker-compose.yml) und
mailhog (docker-compose.dev.yml). Der Dev-Host startet sonntags neu,
der Stack blieb danach aus.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

docker-compose.yml

@@ -1,5 +1,6 @@
 services:
   web:
+    restart: unless-stopped
     build:
       context: .
       dockerfile: apps/web/Dockerfile
@@ -18,6 +19,7 @@ services:
         condition: service_healthy
 
   api:
+    restart: unless-stopped
     build:
       context: .
       dockerfile: apps/api/Dockerfile
@@ -68,6 +70,7 @@ services:
       start_period: 10s
 
   db:
+    restart: unless-stopped
     image: postgres:16-alpine
     networks:
       - data-net