Add CoreData-based workout tracking app with iOS and watchOS targets

- Migrate from SwiftData to CoreData with CloudKit sync
- Add core models: Split, Exercise, Workout, WorkoutLog
- Implement tab-based UI: Workout Logs, Splits, Settings
- Add SF Symbols picker for split icons
- Add exercise picker filtered by split with exclusion of added exercises
- Integrate IndieAbout for settings/about section
- Add Yams for YAML exercise definition parsing
- Include starter exercise libraries (bodyweight, Planet Fitness)
- Add Date extensions for formatting (formattedTime, isSameDay)
- Format workout date ranges to show time-only for same-day end dates
- Add build number update script
- Add app icons

Workouts/Views/Splits/SplitsView.swift

@@ -0,0 +1,39 @@
+//
+// SplitsView.swift
+// Workouts
+//
+// Created by rzen on 7/17/25 at 6:55 PM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+import CoreData
+
+struct SplitsView: View {
+    @Environment(\.managedObjectContext) private var viewContext
+
+    @State private var showingAddSheet: Bool = false
+
+    var body: some View {
+        NavigationStack {
+            SplitListView()
+                .navigationTitle("Splits")
+                .toolbar {
+                    ToolbarItem(placement: .navigationBarTrailing) {
+                        Button(action: { showingAddSheet.toggle() }) {
+                            Image(systemName: "plus")
+                        }
+                    }
+                }
+        }
+        .sheet(isPresented: $showingAddSheet) {
+            SplitAddEditView(split: nil)
+        }
+    }
+}
+
+#Preview {
+    SplitsView()
+        .environment(\.managedObjectContext, PersistenceController.preview.viewContext)
+}