Add Urban Terror (#2734)
* Add UrbanTerror4.3.4 Egg
Initial add for the Urban Terror Server Egg
* Create README.md
* Update README.md
* Update README.md
* Update README.md
* Update README.md
* Update README.md
* Update README.md
* Add files via upload
Updated Variables to fit the schemata, updated Docker Container to Pterodactyl Yolk Debian Bullseye. Fixed some typos.
* Add files via upload
Changed Yolk to ghcr.io/parkervcp/yolks:debian
* Cleanup
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Co-authored-by: Quinten <67589015+QuintenQVD0@users.noreply.github.com>
Julian