Improve settings

Shared/Settings/SettingsHeader.swift

@@ -0,0 +1,20 @@
+import SwiftUI
+
+struct SettingsHeader: View {
+    var text: String
+
+    var body: some View {
+        Text(text)
+        #if os(macOS) || os(tvOS)
+            .font(.title3)
+            .foregroundColor(.secondary)
+            .focusable(false)
+        #endif
+    }
+}
+
+struct SettingsHeader_Previews: PreviewProvider {
+    static var previews: some View {
+        SettingsHeader(text: "Header")
+    }
+}