feat: Styles views for macos

Sources/Styleguide/SectionHeaderLabel.swift

@@ -0,0 +1,50 @@
+import SwiftUI
+
+public struct SectionHeaderLabel<Content: View>: View {
+  @Environment(\.sectionHeaderLabelStyle) var style
+  
+  let content: () -> Content
+  
+  public init(@ViewBuilder _ content: @escaping () -> Content) {
+    self.content = content
+  }
+  
+  public var body: some View {
+    style.makeBody(
+      configuration: TextLabelConfiguration(
+        label: TextLabelConfiguration.Label(content: content())
+      )
+    )
+  }
+}
+
+extension SectionHeaderLabel where Content == Text {
+  
+  public init(_ text: LocalizedStringKey) {
+    self.init { Text(text) }
+  }
+  
+  public init<S>(_ text: S) where S: StringProtocol {
+    self.init { Text(text) }
+  }
+}
+
+#Preview {
+  Form {
+    Section {
+      Text("Content")
+    } header: {
+      SectionHeaderLabel("One")
+    }
+    
+    Section {
+      Text("Content")
+    } header: {
+      SectionHeaderLabel("Two")
+    }
+  }
+  .formStyle(.grouped)
+  #if os(macOS)
+  .frame(width: 400, height: 400)
+  #endif
+}