code: def design_documents(self):
          
          url = '/'.join((self.database_url, '_all_docs'))
          query = "startkey=\"_design\"&endkey=\"_design0\"&include_docs=true"
          resp = self.r_session.get(url, params=query)
          resp.raise_for_status()
          data = response_to_json_dict(resp)
          return data['rows']
docs: Retrieve the JSON content for all design documents in this database.
          Performs a remote call to retrieve the content.
  
          :returns: All design documents found in this database in JSON format