docs: Link Navigation Path API Pipelines (#2976)
* docs: link navigation Safe Stable Diffusion
Link navigation API pipelines text2img and using diffusers Conditional Image Generation.
* docs: link navigation Versatile Diffusion
Removing exceeding path Stable Diffusion Overview.
* docs: Python extension Spectrogram Diffusion
Link navigation Spectrogram Diffusion Pipeline source code
* docs: Link navigation AltDiffusion Pipelines
Stable Diffusion Overview and Using Diffusers path.
