README quick-start keeps restart: unless-stopped

f16224b dropped it from the inline compose file, reading rule 198
"Shipped compose files run on the orchestrator's defaults" as covering it.
The rule keeps plain Compose's restart: unless-stopped: Compose defaults
to `no`, so without it a crash or reboot leaves the stack down, and Swarm
ignores the key. docker-compose.yml already carries it (#6220).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

@@ -21,6 +21,7 @@ and run `docker compose up -d`:
 services:
   db:
     image: postgres:16-alpine
+    restart: unless-stopped
     environment:
       POSTGRES_USER: inkwell
       POSTGRES_PASSWORD: CHANGE_ME
@@ -30,6 +31,7 @@ services:
 
   app:
     image: git.fabledsword.com/bvandeusen/inkwell:latest
+    restart: unless-stopped
     depends_on:
       - db
     environment: