rtmp-services: Change the server URL of AfreecaTV to SOOP Korea

[Taeski-SOOP]

※ I'm requesting a new one because the commit arrangement is complicated. (Previous Request #11428)

Description

Effective October 15th, our service has been rebranded from Afreecatv to SOOP Korea.
We are planning to change the server URL of AfreecaTV to SOOP Korea.

Motivation and Context

We aim to adapt the current Afreecatv configurations to be compatible with SOOP.

How Has This Been Tested?

Locally tested and is working properly.

Types of changes

Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code has been run through clang-format.
• I have read the contributing document.
• My code is not on the master branch.
• The code has been tested.
• All commit messages are properly formatted and commits squashed where appropriate.
• I have included updates to all appropriate documentation.

[norihiro]

In the commit message,

1. Remove a space between rtmp-services and :.
2. The description line should be folded so that one line contains at most 72 characters.

To revise the commit message, use git commit --amend to edit the message. Then, use git push -f to force-push to GitHub.

[Taeski-SOOP]

@norihiro I revised it and force-push. Thank you for the guide.