docs: def initialize(self):
          '''Create or update indices and mappings'''
          if es.indices.exists(self.index_name):
              es.indices.put_mapping(index=self.index_name, doc_type=DOCTYPE, body=MAPPING)
          else:
              es.indices.create(self.index_name, {
                  'mappings': {'advice': MAPPING},
                  'settings': {'analysis': ANALSYS},
              })