Murano api add monkey patch

In this commit [0] has monkey patching should be as
early as possible, but didn't monkey patch murano api,
this will cause the RecursionError

[0]: I76fed9e80a7f848a0f6b37c25dd035844c75a6ee

Change-Id: Idf8ab02b15459d4dc786389c583afb752c599cb6
Closes-Bug: #1886784

murano/api/__init__.py

@@ -0,0 +1,14 @@
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import murano.monkey_patch  # noqa