new_contents: """
  A base class for creating CEA plugins. Subclass this class in your own namespace to become a CEA plugin.
  """
  
  ### NOTE / FIXME: have this class read in the scripts.yml and schemas.yml. plots need to be python classes.
  
  class CeaPlugin(object):
      """
      A CEA Plugin defines a list of scripts and a list of plots - the CEA uses this to populate the GUI
      and other interfaces. In addition, any input- and output files need to be defined.
      """
  
      @property
      def scripts(self):
          """Return a list of scripts - each is a subclass of :py:class`cea.scripts.CeaScript`"""
          return []
  
      @property
      def plots(self):
          """Return a list of plots - each is a subclass of :py:class:`cea.plots.base`"""
          return []
  
      @property
      def schemas(self):
          """Return a list of schemas - each is a subclass of :py:class:`cea.schema.Schema`"""
          return []
subject: Create plugin.py