feat: add CCE for gemma3, cohere, and cohere2 (#2443)

* feat: add CCE for gemma3 and cohere1/2

* fix: change from relative import to absolute

* feat: add multipack for cohere&cohere2

* chore: improve comments

* fix: add gemma3_text

* feat: add cohere2 example

* fix: cohere forward

* fix: patch for cohere2

* feat: add command r v01 qlora sample

* chore: lint

* feat: upgrade gemma3 and gemma2 patch to use logits_to_keep

* chore: lint

* fix: add deprecate_kwarg decorator

* fix: add cce for gemma3 conditionalgeneration

* fix: gemma3 patch to defer logits calculation

* fix: patch gemma3 if given as model

* fix: remove not working config

* fix: update comments to clarify changes

* feat(doc): add supported models to readme

* fix: address difference in our cohere patch

* feat: add mistral3

* feat: add gemma

* feat(doc): update README to include gemma and mistral3 in supported models

* fix: gemma patch

* fix: import

* fix: gemma patch to be standalone

* fix: gemma3 warn about not support final_logit_softcapping

* feat: add mllama CCE

* chore: add abbireviation to doc

* fix: remove unneeded gemma3 eager warning

* fix: save processor if available

* fix: enable save processor on merge

* fix: wrong env meaning

src/axolotl/integrations/cut_cross_entropy/README.md

@@ -1,6 +1,6 @@
 # Cut Cross Entropy
 
-Cut Cross Entropy reduces VRAM usage through optimization on the cross-entropy operation during loss calculation.
+Cut Cross Entropy (CCE) reduces VRAM usage through optimization on the cross-entropy operation during loss calculation.
 
 See https://github.com/apple/ml-cross-entropy
 
@@ -29,6 +29,20 @@ plugins:
 cut_cross_entropy: true
 ```
 
+## Supported Models
+
+- llama
+- phi3
+- gemma
+- gemma2
+- gemma3
+- gemma3_text
+- mistral
+- mistral3
+- qwen2
+- cohere
+- cohere2
+
 ## Citation
 
 ```bib