[docs] SDXL (huggingface#4428)

* first draft

* reorg toctree

* note about minsdxl

* feedback

* fix

* micro-conditionings

* add tip

* fix section levels

* d'oh fix pipeline names

* feedback

* remove old section

Author: stevhliu

docs/source/en/_toctree.yml

@@ -36,38 +36,42 @@
       title: Push files to the Hub
     title: Loading & Hub
   - sections:
-    - local: using-diffusers/pipeline_overview
-      title: Overview
     - local: using-diffusers/unconditional_image_generation
       title: Unconditional image generation
     - local: using-diffusers/conditional_image_generation
-      title: Text-to-image generation
+      title: Text-to-image
     - local: using-diffusers/img2img
-      title: Text-guided image-to-image
+      title: Image-to-image
     - local: using-diffusers/inpaint
-      title: Text-guided image-inpainting
+      title: Inpainting
     - local: using-diffusers/depth2img
-      title: Text-guided depth-to-image
+      title: Depth-to-image
+    title: Tasks
+  - sections:
     - local: using-diffusers/textual_inversion_inference
       title: Textual inversion
     - local: training/distributed_inference
       title: Distributed inference with multiple GPUs
-    - local: using-diffusers/distilled_sd
-      title: Distilled Stable Diffusion inference
     - local: using-diffusers/reusing_seeds
       title: Improve image quality with deterministic generation
     - local: using-diffusers/control_brightness
       title: Control image brightness
+    - local: using-diffusers/weighted_prompts
+      title: Prompt weighting
+    title: Techniques
+  - sections:
+    - local: using-diffusers/pipeline_overview
+      title: Overview
+    - local: using-diffusers/sdxl
+      title: Stable Diffusion XL
+    - local: using-diffusers/distilled_sd
+      title: Distilled Stable Diffusion inference
     - local: using-diffusers/reproducibility
       title: Create reproducible pipelines
     - local: using-diffusers/custom_pipeline_examples
       title: Community pipelines
     - local: using-diffusers/contribute_pipeline
       title: How to contribute a community pipeline
-    - local: using-diffusers/stable_diffusion_jax_how_to
-      title: Stable Diffusion in JAX/Flax
-    - local: using-diffusers/weighted_prompts
-      title: Prompt weighting
     title: Pipelines for Inference
   - sections:
     - local: training/overview
@@ -105,6 +109,8 @@
     title: Memory and Speed
   - local: optimization/torch2.0
     title: Torch2.0 support
+  - local: using-diffusers/stable_diffusion_jax_how_to
+    title: Stable Diffusion in JAX/Flax
   - local: optimization/xformers
     title: xFormers
   - local: optimization/onnx