class_docstr: The `ConfigurationCatalog` catalog stores all the configuration params.
  `_row_id:` an autogenerated unique identifier.
  `_key:` the key for the config.
  `_value:` the value for the config
code: def __init__(self, key: str, value: any):
      self._key = key
      self._value = value
  
imports: from sqlalchemy import Column, String
  from evadb.catalog.models.base_model import BaseModel
  from evadb.catalog.models.utils import ConfigurationCatalogEntry, TextPickleType
label_desc: Use image node_id 1 to create a new ConfigurationCatalog object from inherited base classes: BaseModel with example: obj = ConfigurationCatalog(key, value)