Add changelog, update license (#397)

* Add changelog, update license

* Rename changelog, create breaking changes section

CHANGELOG.md

@@ -0,0 +1,55 @@
+# Changelog
+
+## grantami-bomanalytics 2.0.0, DATE TBD
+
+### New features
+
+* Add sustainability analysis support, including examples and documentation.
+* Add `bom_types` subpackage.
+* Add licensing check as part of connection to server.
+
+### Backwards-incompatible changes
+
+* Change the `legislation_names` method to `legislation_ids`.
+* Remove `with_stk_records` method.
+
+### Doc improvements
+
+* Document use of the `pygranta` meta-package for managing compatibility between PyGranta and
+  Granta MI.
+
+### Contributors
+
+* Doug Addy (Ansys)
+* Andy Grigg (Ansys)
+* Ludovic Steinbach (Ansys)
+* Judy Selfe (Ansys)
+
+## grantami-bomanalytics 1.2.0, 2023-08-29
+
+### Bugs fixed
+
+* [Issue #277](https://github.com/ansys/grantami-bomanalytics/issues/277),
+  [Pull request #242](https://github.com/ansys/grantami-bomanalytics/pull/282): 
+  Don't include withdrawn records in analysis.
+
+### New features
+
+* [Issue #328](https://github.com/ansys/grantami-bomanalytics/issues/328),
+  [Pull request #341](https://github.com/ansys/grantami-bomanalytics/pull/341):
+  Add `maximum_specification_link_depth` property.
+* [Pull request #334](https://github.com/ansys/grantami-bomanalytics/pull/334):
+  Add scripts to automate test database creation.
+
+### Doc improvements
+
+* [Issue #291](https://github.com/ansys/grantami-bomanalytics/issues/291),
+  [Pull request #343](https://github.com/ansys/grantami-bomanalytics/pull/343):
+  Update documentation with new legislation names.
+
+### Contributors
+
+* Doug Addy (Ansys)
+* Andy Grigg (Ansys)
+* Ludovic Steinbach (Ansys)
+* Judy Selfe (Ansys)

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2023 ANSYS, Inc. All rights reserved. 
+Copyright (c) 2024 ANSYS, Inc. All rights reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal