cleanup (#10)

* remove unused examples/

* reorganization + unit test updates to pytest

* quote formatting

* update pyproject

* update bmi to support state loading for seq forward

* fix bmi_forward

* update bmi

* remove redundant dependency

Author: leoglonz

LICENSE

@@ -2,7 +2,7 @@ Non-Commercial Software License Agreement
 
 By downloading the hydrodl2 software (the “Software”) you agree to
 the following terms of use:
-Copyright (c) 2020, The Pennsylvania State University (“PSU”). All rights reserved.
+Copyright (c) 2025, The Pennsylvania State University (“PSU”). All rights reserved.
 
 1. PSU hereby grants to you a perpetual, nonexclusive and worldwide right, privilege and
 license to use, reproduce, modify, display, and create derivative works of Software for all