Update doc for REST call reply node

[ArtemDzhereleiko]

PR description

Merge with: #171

Add doc for REST call reply node for CE:

REST call reply node for pe and paas:

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docker run --rm -it --network=host --name=linkchecker ghcr.io/linkchecker/linkchecker --check-extern --no-warnings http://0.0.0.0:4000/