Include missed rel sources

Author: AndrewNepogoda

MANIFEST.in

@@ -1 +1 @@
-include rel/
+recursive-include rel *

rel/__init__.py

@@ -0,0 +1,13 @@
+# Copyright 2023 RelationalAI, Inc.
+#
+# 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.

setup.py

@@ -47,5 +47,6 @@
     long_description_content_type="text/markdown",
     name="rai-workflow-manager",
     packages=["workflow", "cli"],
+    include_package_data=True,
     url="https://github.com/RelationalAI/rai-workflow-manager",
     version=workflow.__version__)