Class-A surfacing 2/3: surface match, boundary patch and CV fairing (#1487)

Thanks @midasdf.

crates/doc/src/feature_walk_tests/golden_geometry.txt

@@ -154,6 +154,15 @@ surface_blend
 surface_offset
   moves: faces[0][0], faces[0][1], faces[0][2]
   face points: [0, 0, 0]
+surface_blend
+  moves: align[0][0], align[0][1], align[0][2], align[1][0], align[1][1], align[1][2], from.edges[0][0], from.edges[0][1], from.edges[0][2], to.edges[0][0], to.edges[0][1], to.edges[0][2]
+surface_boundary
+surface_match
+  moves: edges[0][0], edges[0][1], edges[0][2], faces[0][0], faces[0][1], faces[0][2]
+  face points: [0, 0, 0]
+surface_fair
+  moves: faces[0][0], faces[0][1], faces[0][2]
+  face points: [0, 0, 0]
 unstitch
   moves: faces[0][0], faces[0][1], faces[0][2]
 reverse_normal