[Docs] Model_doc structure/clarity improvements (#26876)

* first batch of structure improvements for model_docs

* second batch of structure improvements for model_docs

* more structure improvements for model_docs

* more structure improvements for model_docs

* structure improvements for cv model_docs

* more structural refactoring

* addressed feedback about image processors

docs/source/en/model_doc/efficientformer.md

@@ -56,6 +56,9 @@ The original code can be found [here](https://github.com/snap-research/Efficient
 [[autodoc]] EfficientFormerImageProcessor
     - preprocess
 
+<frameworkcontent>
+<pt>
+
 ## EfficientFormerModel
 
 [[autodoc]] EfficientFormerModel
@@ -71,6 +74,9 @@ The original code can be found [here](https://github.com/snap-research/Efficient
 [[autodoc]] EfficientFormerForImageClassificationWithTeacher
     - forward
 
+</pt>
+<tf>
+
 ## TFEfficientFormerModel
 
 [[autodoc]] TFEfficientFormerModel
@@ -85,3 +91,6 @@ The original code can be found [here](https://github.com/snap-research/Efficient
 
 [[autodoc]] TFEfficientFormerForImageClassificationWithTeacher
     - call
+
+</tf>
+</frameworkcontent>