feat: add binding on change function

Sources/ExtensionKit/SwiftUI/Binding.swift

@@ -0,0 +1,33 @@
+import SwiftUI
+
+public extension Binding where Value: Equatable {
+
+    /**
+    ```
+    Toggle(
+        "Foo",
+        isOn: $foo.onChange {
+            bar.isEnabled = $0
+        }
+    )
+    ```
+    */
+
+    /// Update or run action after binding has changed
+    /// - Parameter action: Action to run
+    /// - Returns: Binding
+    func onChange(_ action: @escaping (Value) -> Void) -> Self {
+        .init(
+            get: { wrappedValue },
+            set: {
+                let oldValue = wrappedValue
+                wrappedValue = $0
+                let newValue = wrappedValue
+                if newValue != oldValue {
+                    action(newValue)
+                }
+            }
+        )
+    }
+
+}