Create onnxtk package (#225)

* onnxtk package

* onnxtk package

Author: jiafatom

onnxutils/onnxtk/__init__.py

@@ -0,0 +1,18 @@
+# -------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+# --------------------------------------------------------------------------
+
+"""
+The entry point to onnxtk.
+This framework performs optimization for onnx model.
+"""
+__version__ = "0.0.1"
+__author__ = "Microsoft"
+__producer__ = "OnnxMLTools"
+__producer_version__ = __version__
+__domain__ = "onnxtk"
+__model_version__ = 0
+
+from .optimizer import optimize_onnx