feat: add apertus model and cce (#3144) [skip ci]

* feat: add apertus, glm4v, glm4v_moe cce

* fix: arcee docs

* feat: add apertus

* feat: added vram usage

* fix: add apertus note

* feat: update doc on apertus xielu

* fix: add monkeypatch for xielu activation issue

* fix: simplify env

* feat: pin commit

* feat: add packing

* chore: move patch calling

* Update examples/apertus/README.md

Co-authored-by: salman <salman.mohammadi@outlook.com>

* Update examples/apertus/README.md

Co-authored-by: salman <salman.mohammadi@outlook.com>

* Update examples/apertus/README.md

Co-authored-by: salman <salman.mohammadi@outlook.com>

---------

Co-authored-by: salman <salman.mohammadi@outlook.com>

examples/arcee/README.md

@@ -19,6 +19,9 @@ cd axolotl
 
 pip3 install packaging==23.2 setuptools==75.8.0 wheel ninja
 pip3 install --no-build-isolation -e '.[flash-attn]'
+
+# Install CCE https://docs.axolotl.ai/docs/custom_integrations.html#cut-cross-entropy
+python scripts/cutcrossentropy_install.py | sh
 ```
 
 2. Run the finetuning example: