Refactor inference engine and task management: Remove obsolete inference engine and ONNX engine files, update inference processing to utilize batch handling, and enhance task management structure in documentation. Adjust paths for task specifications to align with new directory organization.

inference.pxd

@@ -1,7 +1,7 @@
 from ai_availability_status cimport AIAvailabilityStatus
 from annotation cimport Annotation, Detection
 from ai_config cimport AIRecognitionConfig
-from inference_engine cimport InferenceEngine
+from engines.inference_engine cimport InferenceEngine
 
 cdef class Inference:
     cdef object loader_client