add pinhole projections example

Author: Wumpf

crates/store/re_types/definitions/rerun/archetypes/pinhole.fbs

@@ -11,6 +11,7 @@ namespace rerun.archetypes;
 ///
 /// \example archetypes/pinhole_simple title="Simple pinhole camera" image="https://static.rerun.io/pinhole_simple/9af9441a94bcd9fd54e1fea44fb0c59ff381a7f2/1200w.png"
 /// \example archetypes/pinhole_perspective title="Perspective pinhole camera" image="https://static.rerun.io/pinhole_perspective/317e2de6d212b238dcdad5b67037e9e2a2afafa0/1200w.png"
+/// \example archetypes/pinhole_projections title="Projection setup with blueprints" !api image="https://static.rerun.io/pinhole-projections/ceb1b4124e111b5d0a786dd48909a1cbb52eca4c/1200w.png"
 table Pinhole (
   "attr.docs.category": "Transforms",
   "attr.docs.view_types": "Spatial2DView, Spatial3DView",