Adding a package version variable.

PiperOrigin-RevId: 687463334

Author: lukebaumann

pathwaysutils/__init__.py

@@ -24,6 +24,11 @@
 from pathwaysutils.persistence import pathways_orbax_handler
 
 
+# A new PyPI release will be pushed every time `__version__` is increased.
+# When changing this, also update the CHANGELOG.md.
+__version__ = "0.0.6"
+
+
 #  This is a brittle implementation since the platforms value is not necessarily
 #  which backend is ultimately selected
 def _is_pathways_used():