Add "description" field to the KindCacheConfig class, services and API

Description:

This task involves adding a new "description" field to the Kind class and ensuring that the new field is handled correctly in the services and API layers.

Requirements:

1. Kind Class:

   • Add the description field to the Kind class.
   • Ensure that this field is non-nullable and properly initialized.

2. Services:

   • Update any services that handle Kind objects to manage the new description field.
   • Ensure that the description field is validated where necessary.

3. API:

   • Extend the API endpoints that expose Kind objects to include the new description field.
   • Update Swagger documentation to reflect the new field in the relevant API responses.

Acceptance Criteria:

• The Kind class includes a non-nullable description field.
• Services interacting with Kind handle the description field.
• The API exposes the description field, and the field is documented in Swagger.
• Tests are updated to reflect the new field.