[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/clip.md

@@ -40,7 +40,9 @@ for any dataset specific training. For instance, we match the accuracy of the or
 without needing to use any of the 1.28 million training examples it was trained on. We release our code and pre-trained
 model weights at this https URL.*
 
-## Usage
+This model was contributed by [valhalla](https://huggingface.co/valhalla). The original code can be found [here](https://github.com/openai/CLIP).
+
+## Usage tips and example
 
 CLIP is a multi-modal vision and language model. It can be used for image-text similarity and for zero-shot image
 classification. CLIP uses a ViT like transformer to get visual features and a causal language model to get the text
@@ -77,8 +79,6 @@ encode the text and prepare the images. The following example shows how to get t
 >>> probs = logits_per_image.softmax(dim=1)  # we can take the softmax to get the label probabilities
 ```
 
-This model was contributed by [valhalla](https://huggingface.co/valhalla). The original code can be found [here](https://github.com/openai/CLIP).
-
 ## Resources
 
 A list of official Hugging Face and community (indicated by 🌎) resources to help you get started with CLIP.
@@ -142,6 +142,9 @@ The resource should ideally demonstrate something new instead of duplicating an
 
 [[autodoc]] CLIPProcessor
 
+<frameworkcontent>
+<pt>
+
 ## CLIPModel
 
 [[autodoc]] CLIPModel
@@ -164,12 +167,14 @@ The resource should ideally demonstrate something new instead of duplicating an
 [[autodoc]] CLIPVisionModelWithProjection
     - forward
 
-
 ## CLIPVisionModel
 
 [[autodoc]] CLIPVisionModel
     - forward
 
+</pt>
+<tf>
+
 ## TFCLIPModel
 
 [[autodoc]] TFCLIPModel
@@ -187,6 +192,9 @@ The resource should ideally demonstrate something new instead of duplicating an
 [[autodoc]] TFCLIPVisionModel
     - call
 
+</tf>
+<jax>
+
 ## FlaxCLIPModel
 
 [[autodoc]] FlaxCLIPModel
@@ -208,3 +216,6 @@ The resource should ideally demonstrate something new instead of duplicating an
 
 [[autodoc]] FlaxCLIPVisionModel
     - __call__
+
+</jax>
+</frameworkcontent>