separate load functionality from inference client to loader client. Call loader client from inference to get the model.

remove dummy dlls, remove resource loader from c#.

TODO: Load dlls separately by Loader UI and loader client

WIP

Azaion.Inference/file_data.pyx

@@ -0,0 +1,40 @@
+from msgpack import unpackb, packb
+
+cdef class FileData:
+    def __init__(self, str folder, str filename):
+        self.folder = folder
+        self.filename = filename
+
+    @staticmethod
+    cdef from_msgpack(bytes data):
+        unpacked = unpackb(data, strict_map_key=False)
+        return FileData(
+            unpacked.get("Folder"),
+            unpacked.get("Filename"))
+
+    cdef bytes serialize(self):
+        return packb({
+            "Folder": self.folder,
+            "Filename": self.filename
+        })
+
+
+cdef class UploadFileData(FileData):
+    def __init__(self, bytes resource, str folder, str filename):
+        super().__init__(folder, filename)
+        self.resource = resource
+
+    @staticmethod
+    cdef from_msgpack(bytes data):
+        unpacked = unpackb(data, strict_map_key=False)
+        return UploadFileData(
+            unpacked.get("Resource"),
+            unpacked.get("Folder"),
+            unpacked.get("Filename"))
+
+    cdef bytes serialize(self):
+        return packb({
+            "Resource": self.resource,
+            "Folder": self.folder,
+            "Filename": self.filename
+        })