- Corrected the schema definition for GET /searchresults/:
  - Updated results property to be an array instead of a string.
  - Specified application/json as the content type for a successful response.

- Enhanced schema for GET /krankenhaussuche/krankenhaus/{id}/:
  - Added documentation for possible 404 (Not Found) and 503 (Service Unavailable) responses.
  - Updated query parameter types and descriptions for better clarity.

- Ensured schema accuracy and conformance to actual API responses.

This commit addresses the issues identified during Schemathesis testing and aligns the schema with the actual API behavior.