Add hourly restart sidecar for invidious and companion

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

stacks/invidious/docker-compose.yml

@@ -83,6 +83,19 @@ services:
       - web
       - default
 
+  invidious-restarter:
+    image: docker:cli
+    container_name: invidious-restarter
+    restart: unless-stopped
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    command: sh -c "while true; do sleep 3600; docker restart invidious invidious-companion; done"
+    deploy:
+      resources:
+        limits:
+          cpus: '0.1'
+          memory: 32M
+
   invidious-db:
     image: postgres:14
     container_name: invidious-db