Added LiteLLM to the stack

Development/litellm/.pre-commit-config.yaml

@@ -0,0 +1,40 @@
+repos:
+-   repo: local
+    hooks:
+    -   id: pyright
+        name: pyright
+        entry: pyright
+        language: system
+        types: [python]
+        files: ^(litellm/|litellm_proxy_extras/|enterprise/)
+    -   id: isort
+        name: isort
+        entry: isort
+        language: system
+        types: [python]
+        files: (litellm/|litellm_proxy_extras/|enterprise/).*\.py
+        exclude: ^litellm/__init__.py$
+    # -   id: black
+    #     name: black
+    #     entry: poetry run black
+    #     language: system
+    #     types: [python]
+    #     files: (litellm/|litellm_proxy_extras/|enterprise/).*\.py
+-   repo: https://github.com/pycqa/flake8
+    rev: 7.0.0  # The version of flake8 to use
+    hooks:
+    -  id: flake8
+       exclude: ^litellm/tests/|^litellm/proxy/tests/|^litellm/tests/test_litellm/|^tests/test_litellm/|^tests/enterprise/
+       additional_dependencies: [flake8-print]
+       files: (litellm/|litellm_proxy_extras/|enterprise/).*\.py
+-   repo: https://github.com/python-poetry/poetry
+    rev: 1.8.0
+    hooks:
+      - id: poetry-check
+        files: ^(pyproject.toml|litellm-proxy-extras/pyproject.toml)$
+-   repo: local
+    hooks:
+    -   id: check-files-match
+        name: Check if files match
+        entry: python3 ci_cd/check_files_match.py
+        language: system