chore(NumberField): follow-up to leanprover-community#30536 (leanprover-community#30583)

Create the deprecated module files for the files moved in leanprover-community#30536

Author: xroblot

Mathlib.lean

@@ -4859,8 +4859,12 @@ import Mathlib.NumberTheory.ClassNumber.FunctionField
 import Mathlib.NumberTheory.Cyclotomic.Basic
 import Mathlib.NumberTheory.Cyclotomic.CyclotomicCharacter
 import Mathlib.NumberTheory.Cyclotomic.Discriminant
+import Mathlib.NumberTheory.Cyclotomic.Embeddings
 import Mathlib.NumberTheory.Cyclotomic.Gal
+import Mathlib.NumberTheory.Cyclotomic.PID
 import Mathlib.NumberTheory.Cyclotomic.PrimitiveRoots
+import Mathlib.NumberTheory.Cyclotomic.Rat
+import Mathlib.NumberTheory.Cyclotomic.Three
 import Mathlib.NumberTheory.Dioph
 import Mathlib.NumberTheory.DiophantineApproximation.Basic
 import Mathlib.NumberTheory.DiophantineApproximation.ContinuedFractions

Mathlib/NumberTheory/Cyclotomic/Embeddings.lean

@@ -0,0 +1,3 @@
+import Mathlib.NumberTheory.NumberField.Cyclotomic.Embeddings
+
+deprecated_module (since := "2025-10-14")

Mathlib/NumberTheory/Cyclotomic/PID.lean

@@ -0,0 +1,3 @@
+import Mathlib.NumberTheory.NumberField.Cyclotomic.PID
+
+deprecated_module (since := "2025-10-14")

Mathlib/NumberTheory/Cyclotomic/Rat.lean

@@ -0,0 +1,3 @@
+import Mathlib.NumberTheory.NumberField.Cyclotomic.Basic
+
+deprecated_module (since := "2025-10-14")

Mathlib/NumberTheory/Cyclotomic/Three.lean

@@ -0,0 +1,3 @@
+import Mathlib.NumberTheory.NumberField.Cyclotomic.Three
+
+deprecated_module (since := "2025-10-14")