feat: Adds more buttons and reverse label style

Sources/Styleguide/Buttons.swift

@@ -1,5 +1,20 @@
 import SwiftUI
 
+public struct DoneButton: View {
+
+  let action: () -> Void
+
+  public init(action: @escaping () -> Void) {
+    self.action = action
+  }
+
+  public var body: some View {
+    Button(action: action) {
+      Text("Done")
+    }
+  }
+}
+
 public struct InfoButton: View {
 
   @Environment(\.infoButtonStyle) private var infoButtonStyle
@@ -18,6 +33,26 @@ public struct InfoButton: View {
   }
 }
 
+public struct NextButton: View {
+
+  @Environment(\.nextButtonStyle) private var nextButtonStyle
+  
+  let action: () -> Void
+
+  public init(action: @escaping () -> Void) {
+    self.action = action
+  }
+
+  public var body: some View {
+    Button {
+      action()
+    } label: {
+      Label("Next", systemImage: "chevron.right")
+    }
+    .buttonStyle(nextButtonStyle)
+  }
+}
+
 public struct ResetButton: View {
 
   @Environment(\.resetButtonStyle) private var resetButtonStyle
@@ -48,7 +83,10 @@ struct ButtonPreview: View {
       InfoButton {
         lastButtonPressed = "Info button pressed."
       }
-      ResetButton { 
+      NextButton {
+        lastButtonPressed = "Next button pressed."
+      }
+      ResetButton {
         lastButtonPressed = "Reset button pressed."
       }
     }