main
+ guides/uv: uv install via pipx, venv, sync requirements;
+ contributing, guidelines: gitverse, forks, by languages;
* docs/dz_general.md: code review step;
+ guides/dz: dz general requirements;
* print_students: moved to lesson4, another lesson moved to old;
+ docs/update_fork: point 4 - expected result;
+ guides/uv: apt update typo fix;