Compose files run on the orchestrator's defaults (#6220)

Shipped stacks drop every healthcheck and the depends_on
service_healthy wait, per rule 198 "Shipped compose files run on the
orchestrator's defaults: no healthcheck, no restart policy". A
pg_isready healthcheck turns slow storage into a killed database. The
app needs neither: inkwell.dbwait waits up to 60s for Postgres at
start, and the engine's pool_pre_ping retries per request.

- docker-compose.yml: db and app healthchecks removed; depends_on is
  a plain start order. Comments cut to one or two lines per setting
  under rule 32 "Comments describe the product to a stranger": the
  family/rule references are gone, and the three-way port explanation
  points at docs/public-hosting.md, which already holds it.
- docker-compose.dev.yml: db healthcheck and service_healthy removed;
  header shortened.
- README: the copy-paste stack loses the same two blocks.

restart: unless-stopped stays: plain Compose defaults to no restart,
and Swarm ignores the key.

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

README.md

@@ -69,18 +69,12 @@ services:
       POSTGRES_DB: inkwell
     volumes:
       - inkwell-db:/var/lib/postgresql/data
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U inkwell"]
-      interval: 5s
-      timeout: 5s
-      retries: 10
 
   app:
     image: git.fabledsword.com/bvandeusen/inkwell:latest   # :dev for the current dev build
     restart: unless-stopped
     depends_on:
-      db:
-        condition: service_healthy
+      - db
     environment:
       INKWELL_DATABASE_URL: postgresql+asyncpg://inkwell:CHANGE_ME@db:5432/inkwell
     volumes: