Bug Fixes
- **state**: Prevent equal value to trigger change
([`8ab648d`](https://github.com/Kitware/trame-client/commit/8ab648ddc4ab14140ccccded5892c6d285c850e3))
Documentation
- **contributing**: Add CONTRIBUTING.rst
([`ad214da`](https://github.com/Kitware/trame-client/commit/ad214da65ac48b298f592fe98591379110926486))
Signed-off-by: Patrick Avery <patrick.averykitware.com>