alpha release

[casperdcl]

• --shell support
  • [x] bash
  • [x] zsh
  • [x] support simple programs (prog <arg> rather than prog <subcommand> <arg>)
  • [x] tcsh contributions welcome
  • [x] fish contributions welcome
  • [x] powershell contributions welcome
• [x] documentation
  • [x] linkify readme
  • [x] cross-reference example https://github.com/iterative/dvc/blob/master/dvc/command/completion.py
  • [x] add an examples/ folder
• [x] add setup.py
• [x] release on PyPI
• [x] release on conda-forge https://github.com/conda-forge/staged-recipes/pull/11941 -> https://github.com/conda-forge/shtab-feedstock
• [x] add CI
  • [x] add tests
  • [x] auto-release

[casperdcl]

Fixed by 29c84965f97525db38cab7d46519bfd6a95fa754