Rename generated package `collections` to `contentcollections`. Add example...

Rename generated package `collections` to `contentcollections`. Add example `contentcollections_client`

examples/contentcollections_client.py

+
+import asyncio
+import logging
+
+import grpc
+
+from contentcollections.collections_pb2 import GetRequest
+from contentcollections.collections_pb2_grpc import CollectionsStub
+
+
+async def main() -> None:
+    async with grpc.aio.insecure_channel('localhost:50051') as channel:
+        stub = CollectionsStub(channel)
+        collections = await stub.List()
+        print('List collections', collections)
+        collection = await stub.Get(GetRequest(space_id='1', env_id='1', collection_id='1'))
+        print('Retrieve collection', collection)
+
+
+if __name__ == '__main__':
+    logging.basicConfig(level=logging.INFO)
+    asyncio.get_event_loop().run_until_complete(main())

perxis/collections/collections_pb2_grpc.py → perxis/contentcollections/collections_pb2_grpc.py

@@ -2,7 +2,7 @@
 """Client and server classes corresponding to protobuf-defined services."""
 import grpc
 
-from collections import collections_pb2 as collections_dot_collections__pb2
+from contentcollections import collections_pb2 as collections_dot_collections__pb2
 from google.protobuf import empty_pb2 as google_dot_protobuf_dot_empty__pb2