Dotref

- Fix various packaging and CI/CD issues

- Added shell completions for Bash and Fish shells (a1fb0ce)
- Improved error handling for templates with undefined variables (bb032f9)
- Update and improve packaging (4207ae4, dd066e4, cd39c19, 648c19e, 72dedb4)
- Improved documentation (6d92cf8, 6c0c89f, 90b42e9, d0c438e)
- Minor code cleanup (7f396b1)

- NO_COLOR support
- Better control over templates rendering
- Better error reporting and verbosity level support
- Better profile view with profile hierarchy tree
- Replace os.path with pathlib
- AUR and PyPi packages
- Updated documentation