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.

engines/inference_engine.pxd

@@ -0,0 +1,9 @@
+from typing import List, Tuple
+import numpy as np
+
+
+cdef class InferenceEngine:
+    cdef public int batch_size
+    cdef tuple get_input_shape(self)
+    cdef int get_batch_size(self)
+    cdef run(self, input_data)