Geometry Nodes: new Align Rotation to Vector node

This adds a new Align Rotation to Vector node based on the mockup
in T83669.

Reviewers: HooglyBoogly, simonthommes

Differential Revision: https://developer.blender.org/D10081

release/scripts/startup/nodeitems_builtins.py

@@ -516,6 +516,7 @@ geometry_node_categories = [
         NodeItem("GeometryNodePointInstance"),
         NodeItem("GeometryNodePointSeparate"),
         NodeItem("GeometryNodeRotatePoints"),
+        NodeItem("GeometryNodeAlignRotationToVector"),
     ]),
     GeometryNodeCategory("GEO_UTILITIES", "Utilities", items=[
         NodeItem("ShaderNodeMapRange"),