[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/mctct.md

@@ -40,18 +40,16 @@ pseudo-labels for all languages, either from scratch or by fine-tuning. Experime
 Common Voice and unlabeled VoxPopuli datasets show that our recipe can yield a model with better
 performance for many languages that also transfers well to LibriSpeech.*
 
-
-
 This model was contributed by [cwkeam](https://huggingface.co/cwkeam). The original code can be found [here](https://github.com/flashlight/wav2letter/tree/main/recipes/mling_pl).
 
-## Documentation resources
+## Usage tips
+
+The PyTorch version of this model is only available in torch 1.9 and higher.
+
+## Resources
 
 - [Automatic speech recognition task guide](../tasks/asr)
 
-Tips:
-
-- The PyTorch version of this model is only available in torch 1.9 and higher.
-
 ## MCTCTConfig
 
 [[autodoc]] MCTCTConfig
@@ -70,7 +68,6 @@ Tips:
     - batch_decode
     - decode
 
-
 ## MCTCTModel
 
 [[autodoc]] MCTCTModel