Changing UnityVersion guidance

Removing static version text and replacing with references to the projectsettings

Author: towneh

docs/getting-started.mdx

@@ -15,10 +15,9 @@ https://docs.unity3d.com/Manual/system-requirements.html
 - Standalone - https://unity.com/releases/editor/archive
 
 ## Compatible Unity Versions
-- As of today the latest compatible version of Unity 6 LTS is **6000.0.46f1**
-
-Direct Download via Unity Hub:\
-`unityhub://6000.0.46f1`
+- Depending on the branch used, please observe the version of Unity Editor that the framework is built upon:
+-- [Developer](https://github.com/BasisVR/Basis/blob/developer/Basis/ProjectSettings/ProjectVersion.txt#L1)
+-- [Long-Term-Support](https://github.com/BasisVR/Basis/blob/long-term-support/Basis/ProjectSettings/ProjectVersion.txt#L1)
 
 ## Additional Unity Modules
 Add the following modules via the "Add modules" screen when installing the Unity Editor version:<br />