Surround v0.1.2

Added

• Create a @DataClass called SurroundConfig.
• Create a @DataClass called BaseConfig.
• Create a @config decorator that must be attached to custom Config classes.
• Create a function called load_config which allows for loading Hydra without using @hydra.main.

Changed

• Stop the Assembler class from requiring the config type to be class Config and change how properties are retrieved from the config instance.
• Remove legacy Config class.