chore: add segments from rpc datasource

Author: jbarreau

src/datasource_rpc/forestadmin/datasource_rpc/datasource.py

@@ -70,6 +70,7 @@ def create_collection(self, collection_name, collection_schema):
                 collection.add_rpc_action(action_name, action_schema)
 
         collection._schema["charts"] = {name: None for name in collection_schema["charts"]}
+        collection.add_segments(collection_schema["segments"])
 
         self.add_collection(collection)