feat: port Topology.Category.Profinite.Basic (#3705)

Co-authored-by: Scott Morrison <scott.morrison@gmail.com>
Co-authored-by: adamtopaz <github@adamtopaz.com>

Author: kim-em

Mathlib.lean

@@ -1931,6 +1931,7 @@ import Mathlib.Topology.Bornology.Hom
 import Mathlib.Topology.Category.Born
 import Mathlib.Topology.Category.CompHaus.Basic
 import Mathlib.Topology.Category.CompHaus.Projective
+import Mathlib.Topology.Category.Profinite.Basic
 import Mathlib.Topology.Category.Top.Adjunctions
 import Mathlib.Topology.Category.Top.Basic
 import Mathlib.Topology.Category.Top.EpiMono