Update antora.yml following new style guide in docs

[Yauhenikapl]

Description

Update antora.yml following new style guide in docs

Fixes #58

Type of change

Please delete options that are not relevant.

• Update docs

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works

Additional notes