vizex 2.0.6 on Python PyPI

Moved vizextree as a separate CLI command instead of being part of the vizex
Reorganized modules into well-defined packages (folders) to prevent import conflicts and improve program organization.
Refactored vizexdf src code for better readability and maintainability

What's Changed

converted files class to use async execution of directory parsing by @bexxmodd in https://github.com/bexxmodd/vizex/pull/30
exception skips folder size from calculating in the total size by @bexxmodd in https://github.com/bexxmodd/vizex/pull/31
Tree feature by @bexxmodd in https://github.com/bexxmodd/vizex/pull/35
Tree feature by @bexxmodd in https://github.com/bexxmodd/vizex/pull/37
small refactoring and moved files in a better organized modules to pr… by @bexxmodd in https://github.com/bexxmodd/vizex/pull/38
corrected module imports from relative to absolute to resolve conflicts by @bexxmodd in https://github.com/bexxmodd/vizex/pull/39

Full Changelog: https://github.com/bexxmodd/vizex/compare/v2.0.3...v2.0.6