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/Common/CalendarListItem.swift

@@ -0,0 +1,59 @@
+//
+// CalendarListItem.swift
+// Workouts
+//
+// Created by rzen on 7/18/25 at 8:44 AM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+
+struct CalendarListItem: View {
+    var date: Date
+    var title: String
+    var subtitle: String?
+    var subtitle2: String?
+    var count: Int?
+
+    var body: some View {
+        HStack(alignment: .top) {
+            ZStack {
+                VStack {
+                    Text(date.abbreviatedWeekday)
+                        .font(.caption)
+                        .foregroundColor(.secondary)
+                    Text("\(date.dayOfMonth)")
+                        .font(.headline)
+                        .foregroundColor(.accentColor)
+                    Text(date.abbreviatedMonth)
+                        .font(.caption)
+                        .foregroundColor(.secondary)
+                }
+                .padding([.trailing], 10)
+            }
+            HStack(alignment: .top) {
+                VStack(alignment: .leading) {
+                    Text(title)
+                        .font(.headline)
+                    if let subtitle = subtitle {
+                        Text(subtitle)
+                            .font(.footnote)
+                    }
+                    if let subtitle2 = subtitle2 {
+                        Text(subtitle2)
+                            .font(.footnote)
+                    }
+                }
+                if let count = count {
+                    Spacer()
+                    Text("\(count)")
+                        .font(.caption)
+                        .foregroundColor(.gray)
+                }
+            }
+        }
+        .frame(maxWidth: .infinity, alignment: .leading)
+        .contentShape(Rectangle())
+    }
+}