Update setup.py to layout change

Author: gartens

README.md

@@ -28,5 +28,5 @@ This creates a directory called docs containing the generated documentation.
 
 Generate the Python code:
 ```
-python -m grpc_tools.protoc -I proto --python_out . proto/polyprism/*.proto
+python -m grpc_tools.protoc -I . --python_out . org/polypheny/prism/*.proto
 ```

setup.py

@@ -1,9 +1,19 @@
+import os
+
 from distutils.core import setup
 
+version = os.getenv('version', '0.0').split('.')
+if len(version) != 2:
+    raise Exception('Invalid version format')
+
+with open('org/polypheny/prism/version.py', 'w') as f:
+    f.write(f'MAJOR_VERSION = {version[0]}\n')
+    f.write(f'MINOR_VERSION = {version[1]}\n')
+
 setup(name='polyphenyprism',
       version='0.1',
       description='Protobuf files for Polypheny',
-      packages=['polyprism'],
+      packages=['org/polypheny/prism'],
       install_requires=[
           "protobuf==4.24.3",
       ],