feat: port Topology.Algebra.FilterBasis (#3279)

Co-authored-by: Parcly Taxel <reddeloostw@gmail.com> Co-authored-by: Chris Hughes <chrishughes24@gmail.com> Co-authored-by: Jeremy Tan Jie Rui <reddeloostw@gmail.com>
leanprover-community · Apr 9, 2023 · 748b385 · 748b385
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diff --git a/Mathlib.lean b/Mathlib.lean
@@ -1604,6 +1604,7 @@ import Mathlib.Topology.Algebra.Algebra
 import Mathlib.Topology.Algebra.ConstMulAction
 import Mathlib.Topology.Algebra.Constructions
 import Mathlib.Topology.Algebra.Field
+import Mathlib.Topology.Algebra.FilterBasis
 import Mathlib.Topology.Algebra.Group.Basic
 import Mathlib.Topology.Algebra.Group.Compact
 import Mathlib.Topology.Algebra.GroupCompletion