Fix public access in init of ReducerGroup

Author: minuscorp

Sources/MiniSwift/ReducerGroup.swift

@@ -24,8 +24,8 @@ public protocol Group: Disposable {
 public class ReducerGroup: Group {
 
     public let disposeBag = CompositeDisposable()
-
-    init(_ builder: () -> [Disposable]) {
+    
+    public init(_ builder: () -> [Disposable]) {
         let disposable = builder()
         disposable.forEach { _ = disposeBag.insert($0) }
     }