docs(docker-compose): Add pull instructions

docker-compose/examples/hashicorpvault/README.md

@@ -36,6 +36,14 @@ _FIXME_ We build the `vault` image locally. Our adjustment to the official image
 docker compose --project-name "${COMPOSE_PROJECT}" --file "${COMPOSE_FILE}" --file "${COMPOSE_OVERRIDE}" --env-file "${COMPOSE_ENV}" --profile 'build-vault' build
 ```
 
+## Pull
+
+_FIXME_ Rewrite either [Build](#build) or this paragraph for which images are built and which ones pulled, `--profile 'full'` may not make sense _FIXME_ Pull images from Docker Hub verbatim.
+
+```
+docker compose --project-name "${COMPOSE_PROJECT}" --file "${COMPOSE_FILE}" --env-file "${COMPOSE_ENV}" --profile 'full' pull
+```
+
 ## Start
 
 ```