[20086] Methods to configure transport scenarios Documentation (backport #619)

[mergify]

This is an automatic backport of pull request #619 done by Mergify.
Cherry-pick of b3bf26c has failed:

On branch mergify/bp/2.11.x/pr-619
Your branch is up to date with 'origin/2.11.x'.

You are currently cherry-picking commit b3bf26c.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   code/DDSCodeTester.cpp
	modified:   code/XMLTesterExample.xml
	modified:   docs/fastdds/dds_layer/core/policy/eprosimaExtensions.rst
	modified:   docs/fastdds/env_vars/env_vars.rst
	modified:   docs/fastdds/rtps_layer/rtps_layer.rst
	modified:   docs/fastdds/transport/tcp/tcp.rst
	modified:   docs/fastdds/use_cases/tcp/tcp_with_multicast_discovery.rst

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   code/CodeTester.cpp
	both modified:   code/XMLTester.xml
	both modified:   docs/03-exports/aliases-api.include
	both modified:   docs/fastdds/dds_layer/domain/domainParticipant/domainParticipant.rst
	both modified:   docs/fastdds/xml_configuration/domainparticipant.rst

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

---

Mergify commands and options

More conditions and actions can be found in the documentation.

You can also trigger Mergify actions by commenting on this pull request:

• @Mergifyio refresh will re-evaluate the rules
• @Mergifyio rebase will rebase this PR on its base branch
• @Mergifyio update will merge the base branch into this PR
• @Mergifyio backport <destination> will backport this PR on <destination> branch

Additionally, on Mergify dashboard you can:

• look at your merge queues
• generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.com

[JesusPoderoso]

@richiprosima please test this

[JesusPoderoso]

@richiprosima please test this

[EduPonz]

LGTM with green CI