Dev/mip 172/add dataset
Created by: KFilippopolitis
Stories: MIP-333 , MIP-328 and MIP-331 are already implemented by @jassak in the main branch. Implemented the command add_dataset. Story MIP-335 Implemented the command delete_dataset. Story MIP-337 Update the command delete_schema to expect the option --force in case there is a need to delete datasets that are linked with the schema.