feat(ui): add 23 home screen design variants with picker

Add design style system with 23 unique home screen aesthetics:
- Classic (original SportsTime design, now default)
- 12 experimental styles (Brutalist, Luxury Editorial, etc.)
- 10 polished app-inspired styles (Flighty, SeatGeek, Apple Maps,
  Things 3, Airbnb, Spotify, Nike Run Club, Fantastical, Strava,
  Carrot Weather)

Includes settings picker to switch between styles and persists
selection via UserDefaults.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

SportsTime/Features/Home/Views/HomeView.swift

@@ -23,33 +23,14 @@ struct HomeView: View {
         TabView(selection: $selectedTab) {
             // Home Tab
             NavigationStack {
-                ScrollView {
-                    VStack(spacing: Theme.Spacing.xl) {
-                        // Hero Card
-                        heroCard
-                            .staggeredAnimation(index: 0)
-
-                        // Quick Actions
-                        quickActions
-                            .staggeredAnimation(index: 1)
-
-                        // Suggested Trips
-                        suggestedTripsSection
-                            .staggeredAnimation(index: 2)
-
-                        // Saved Trips
-                        if !savedTrips.isEmpty {
-                            savedTripsSection
-                                .staggeredAnimation(index: 3)
-                        }
-
-                        // Featured / Tips
-                        tipsSection
-                            .staggeredAnimation(index: 4)
-                    }
-                    .padding(Theme.Spacing.md)
-                }
-                .themedBackground()
+                AdaptiveHomeContent(
+                    showNewTrip: $showNewTrip,
+                    selectedTab: $selectedTab,
+                    selectedSuggestedTrip: $selectedSuggestedTrip,
+                    savedTrips: savedTrips,
+                    suggestedTripsGenerator: suggestedTripsGenerator,
+                    displayedTips: displayedTips
+                )
                 .toolbar {
                     ToolbarItem(placement: .primaryAction) {
                         Button {