Docs: minor changes (#8814)

* minor

* add image

* PR feedback

* npm run format:fix of course 4_4

* Remove what is not relevant

* pr feedback

* PR feedback

* revert npm run format

* Update docs/docs/FAQ.mdx

Co-authored-by: Ben McCann <322311+benmccann@users.noreply.github.com>

* Update FAQ.mdx

---------

Co-authored-by: Alex <alex.tran1502@gmail.com>
Co-authored-by: Ben McCann <322311+benmccann@users.noreply.github.com>

docs/docs/features/ml-hardware-acceleration.md

@@ -10,7 +10,7 @@ You do not need to redo any machine learning jobs after enabling hardware accele
 ## Supported Backends
 
 - ARM NN (Mali)
-- CUDA (NVIDIA)
+- CUDA (NVIDIA) Note: It is supported with [compute capability](https://developer.nvidia.com/cuda-gpus) 5.2 or higher
 - OpenVINO (Intel)
 
 ## Limitations