First MVP

Added

• Readme file generation for new projects. Available formats: Markdown
  or reStructuredText
• Authors file generation for new projects. Available formats: Markdown
  or reStructuredText
• Changelog file generation for new projects. Available formats: Markdown
  or reStructuredText
• License file generation for new projects. Generated as LICENSE in root
  folder and as reStructuredText in docs folder.
  Available licenses:
  • MIT
  • BSD-3
  • GNU GPL v3.0
  • Apache Software License 2.0
  • unlicensed (Public domain)
• Sphinx doc folder and project generation. Configured for separated source
  and build folders.
• setup.py and setup.cfg generation.
• requirements.txt and requirements.dev generation based on template
  choices.