Github Pages Deployment (Subdomain)

Setup Github Pages deployments for trainings like here

cluster_topic Project Plan cluster_topic_basics Basics cluster_topic_oss Open Source and Communication topic_basics_group_listing Topic Groups: Generate Listings 10.0% done initial 8.0h spent 0.0h topic_basics_groups Topic Groups 100.0% done initial 16.0h spent 0.0h topic_basics_group_listing->topic_basics_groups topic_basics_python_gen_overview Python Training: Polished Generated Overview 10.0% done initial 16.0h spent 0.0h topic_basics_python_gen_overview->topic_basics_group_listing topic_basics_group_dot Topic Groups: dot Visualization 100.0% done initial 5.0h spent 0.0h topic_basics_python_gen_overview->topic_basics_group_dot topic_basics_python_fullset Python Training: Full Set of Topics 100.0% done initial 16.0h spent 0.0h topic_basics_python_gen_overview->topic_basics_python_fullset topic_basics_group_dot->topic_basics_groups topic_basics_python_fullset->topic_basics_groups topic_basics_python_testset Python Training: Test Set of Topics 100.0% done initial 5.0h spent 0.0h topic_basics_python_fullset->topic_basics_python_testset topic_basics_basic_dependencies Basic Dependency Machinery 100.0% done initial 24.0h spent 24.0h topic_basics_groups->topic_basics_basic_dependencies topic_basics_groups->topic_basics_python_testset topic_basics_python_testset->topic_basics_basic_dependencies topic_oss_python Github/ReadTheDocs: Python 0.0% done initial 24.0h spent 0.0h topic_oss_python->topic_basics_python_gen_overview topic_oss_sysprog Github/ReadTheDocs: Sysprog 0.0% done initial 24.0h spent 0.0h topic_oss_sysprog->topic_basics_python_gen_overview topic_oss_sysprog->topic_oss_python topic_oss_jf_topic Github/PyPI: jf.topic 0.0% done initial 24.0h spent 0.0h topic_oss_sysprog->topic_oss_jf_topic topic_oss_github_pages_subdomain Github Pages Deployment (Subdomain) 0.0% done initial 8.0h spent 0.0h topic_oss_github_pages_subdomain->topic_oss_python topic_oss_github_pages_subdomain->topic_oss_sysprog topic_oss_jf_topic->topic_basics_python_gen_overview topic_oss_jf_topic_doc jf.topic Documentation 0.0% done initial 40.0h spent 0.0h topic_oss_jf_topic->topic_oss_jf_topic_doc