Depth estimation task guide (#22205)

* added doc to toc, auto tip with  supported models, mention of task guide in model docs

* make style

* removed "see also"

* minor fix

docs/source/en/model_doc/dpt.mdx

@@ -33,7 +33,8 @@ This model was contributed by [nielsr](https://huggingface.co/nielsr). The origi
 A list of official Hugging Face and community (indicated by 🌎) resources to help you get started with DPT.
 
 - Demo notebooks for [`DPTForDepthEstimation`] can be found [here](https://github.com/NielsRogge/Transformers-Tutorials/tree/master/DPT).
-- See also: [Semantic segmentation task guide](./tasks/semantic_segmentation)
+- [Semantic segmentation task guide](../tasks/semantic_segmentation)
+- [Monocular depth estimation task guide](../tasks/monocular_depth_estimation.mdx)
 
 If you're interested in submitting a resource to be included here, please feel free to open a Pull Request and we'll review it! The resource should ideally demonstrate something new instead of duplicating an existing resource.
 

docs/source/en/model_doc/glpn.mdx

@@ -45,6 +45,7 @@ This model was contributed by [nielsr](https://huggingface.co/nielsr). The origi
 A list of official Hugging Face and community (indicated by 🌎) resources to help you get started with GLPN.
 
 - Demo notebooks for [`GLPNForDepthEstimation`] can be found [here](https://github.com/NielsRogge/Transformers-Tutorials/tree/master/GLPN).
+- [Monocular depth estimation task guide](../tasks/monocular_depth_estimation.mdx)
 
 ## GLPNConfig