This diff is part of "Cleanup 1st Sprint Nodes" (https://developer.blender.org/T82370).
This add two drop-downs for quad and ngon methods based the triangulate modifier.
I couldn't add "Keep Normals" as input because geometry-nodes doesn't support custom datas for now.
I have two problems in this diff:
- I set a default property in RNA but UI didn't update, did you know why? (Sorry if it's a beginner question) [Edit: Done]
- I found nothing on adding a title to enums, like that :
Is this possible in nodes?
Example:

