Update timm universal (support transformer-style model) (#1004)

* Update timm_universal.py

* Fix ruff style and typing

* Update encoders_timm.rst

* Fix typo error

* Fix typo error & Update doc

* Fix typo error

* Support channel-last format

* Update encoders_timm.rst

* Update timm_universal.py

* Fix ruff style

* Update timm_universal.py

1. rename temporary model
2. create temporary model on meta device to speed up

* Add tests/test_models & fix type

* Update test_models.py

* Update test_models.py

Author: brianhou0208