Add table transformer [v2] (#19614)

* First draft

* Add conversion script

* Make conversion work

* Upload checkpoints

* Add final fixes

* Revert changes of conditional and deformable detr

* Fix toctree, add and remove copied from

* Use model type

* Improve docs

* Improve code example

* Update copies

* Add copied formt

* Don't update conditional detr

* Don't update deformable detr

utils/check_repo.py

@@ -46,6 +46,8 @@ PRIVATE_MODELS = [
 # Being in this list is an exception and should **not** be the rule.
 IGNORE_NON_TESTED = PRIVATE_MODELS.copy() + [
     # models to ignore for not tested
+    "TableTransformerEncoder",  # Building part of bigger (tested) model.
+    "TableTransformerDecoder",  # Building part of bigger (tested) model.
     "TimeSeriesTransformerEncoder",  # Building part of bigger (tested) model.
     "TimeSeriesTransformerDecoder",  # Building part of bigger (tested) model.
     "DeformableDetrEncoder",  # Building part of bigger (tested) model.

utils/documentation_tests.txt

@@ -116,6 +116,7 @@ src/transformers/models/segformer/modeling_tf_segformer.py
 src/transformers/models/swin/configuration_swin.py
 src/transformers/models/swin/modeling_swin.py
 src/transformers/models/swinv2/configuration_swinv2.py
+src/transformers/models/table_transformer/modeling_table_transformer.py
 src/transformers/models/time_series_transformer/configuration_time_series_transformer.py
 src/transformers/models/time_series_transformer/modeling_time_series_transformer.py
 src/transformers/models/trajectory_transformer/configuration_trajectory_transformer.py