Sphinx Versioning

[Xeratec]

Changelog

This merge request updates the Sphinx documentation and adds functionality to select the version. The different documentation version for different branches can be selected in the left sidebar.

You can view the documentation with the changes implemented at: Chimera SDK Documentation Example

Added

• Functionality to extract the current Git branch name using git rev-parse --abbrev-ref HEAD.
• Integration of the branch name into the Sphinx HTML templates for improved documentation versioning and clarity.

Changed

• Updates to conf.py in the Sphinx documentation source to support dynamic branch name handling.