docs: def theme(name='readthedocs'):
      """set name to 'bootstrap' in case you want to use bootstrap.
      This also requires the template sto be in the main dir"""
      
      os.environ['SPHINX_THEME'] = name
      if os.environ['SPHINX_THEME'] == 'bootstrap':
          local('cp docs/source/_templates/layout_bootstrap.html docs/source/_templates/layout.html')
      elif name is 'readthedocs':
          return
      else:
          local('cp docs/source/_templates/layout_simple.html docs/source/_templates/layout.html')