GitLab

* Iteratre over out_features instead of stage_names

* Update for all backbones

* Add tests

* Fix

* Align timm backbone behaviour with other backbones

* Fix tests

* Stricter checks on set out_features and out_indices

* Revert back stage selection logic

* Remove out-of-order logic

* Document restriction in docstrings

* Add methods to update and verify out_features out_indices

* Safe update for config attributes

* Fix function names

* Save config correctly

* PR comments - use property setters

* PR comment - directly set attributes

* Update test

* Add updates to recently merged focalnet backbone