Add init files for modularization, generated using mkinit (now a dependency on dev)

src/pg_rad/path/__init__.py

@@ -0,0 +1,9 @@
+# do not expose internal logger when running mkinit
+__ignore__ = ["logger"]
+
+from pg_rad.path import path
+
+from pg_rad.path.path import (Path, PathSegment, path_from_RT90,
+                              simplify_path,)
+
+__all__ = ['Path', 'PathSegment', 'path', 'path_from_RT90', 'simplify_path']