Add __vesion__ to package namespace

Author: znicholls

src/example_fgen_basic/__init__.py

@@ -1,3 +1,9 @@
 """
 Example of wrapping Fortran so it can be accessed via Python
 """
+
+import importlib.metadata
+
+__version__ = importlib.metadata.version("example_fgen_basic")
+
+__all__ = []