Feat(doc): Reorganize documentation, fix broken syntax, update notes (#2348)

* feat(doc): organize docs, add to menu bar, fix broken formatting

* feat: add link to custom integrations

* feat: update readme for integrations to include citations and repo link

* chore: update lm_eval info

* chore: use fullname

* Update docs/cli.qmd per suggestion

Co-authored-by: Dan Saunders <danjsaund@gmail.com>

* feat: add sweep doc

* feat: add kd doc

* fix: remove toc

* fix: update deprecation

* feat: add more info about chat_template issues

* fix: heading level

* fix: shell->bash code block

* fix: ray link

* fix(doc): heading level, header links, formatting

* feat: add grpo docs

* feat: add style changes

* fix: wrong cli arg for lm-eval

* fix: remove old run method

* feat: load custom integration doc dynamically

* fix: remove old cli way

* fix: toc

* fix: minor formatting

---------

Co-authored-by: Dan Saunders <danjsaund@gmail.com>

src/axolotl/integrations/cut_cross_entropy/README.md

@@ -1,6 +1,10 @@
 # Cut Cross Entropy
 
-### Usage
+Cut Cross Entropy reduces VRAM usage through optimization on the cross-entropy operation during loss calculation.
+
+See https://github.com/apple/ml-cross-entropy
+
+## Usage
 
 ```yaml
 plugins:
@@ -8,3 +12,19 @@ plugins:
 
 cut_cross_entropy: true
 ```
+
+## Citation
+
+```bib
+@article{wijmans2024cut,
+  author       = {Erik Wijmans and
+                  Brody Huval and
+                  Alexander Hertzberg and
+                  Vladlen Koltun and
+                  Philipp Kr\"ahenb\"uhl},
+  title        = {Cut Your Losses in Large-Vocabulary Language Models},
+  journal      = {arXiv},
+  year         = {2024},
+  url          = {https://arxiv.org/abs/2411.09009},
+}
+```