✨(backend) create ai endpoint

We created 2 new action endpoints on the document
to perform AI operations:
- POST /api/v1.0/documents/{uuid}/ai-transform
- POST /api/v1.0/documents/{uuid}/ai-translate

src/backend/pyproject.toml

@@ -46,6 +46,7 @@ dependencies = [
     "jsonschema==4.23.0",
     "markdown==3.7",
     "nested-multipart-parser==1.5.0",
+    "openai==1.44.1",
     "psycopg[binary]==3.2.3",
     "PyJWT==2.9.0",
     "pypandoc==1.14",