Feature/jk3server

[AlexCS1337]

Description

This adds Jedi Knight: Jedi Academy configuration to LinuxGSM
Based off jk2server configuration with a few differences.
Also updated the port used in the jk2server configuration because it was using the wrong one.

Fixes #2015

Type of change

• Bug fix (a change which fixes an issue).
• New feature (change which adds functionality).
• [* ] New Server (new server added).
• [* ] Refactor (restructures existing code).
• Comment update (typo, spelling, explanation, examples, etc).

Checklist

PR will not be merged until all steps are complete.

• This pull request links to an issue.
• This pull request uses the develop branch as its base.
• [* ] This pull request Subject follows the Conventional Commits standard.
• [* ] This code follows the style guidelines of this project.
• [* ] I have performed a self-review of my code.
• I have checked that this code is commented where required.
• [* ] I have provided a detailed with enough description of this PR.
• I have checked If documentation needs updating.

Documentation

If documentation does need updating either update it by creating a PR (preferred) or request a documentation update.

• User docs: https://github.com/GameServerManagers/LinuxGSM-Docs
• Dev docs: https://github.com/GameServerManagers/LinuxGSM-Dev-Docs

Thank you for your Pull Request!

[dgibbs64]

#3467

[dgibbs64]

Currently this pr is missing the server files of a mechanism to install the server. I have seen using openjk might be a good idea