add: OpenAppLockScreenWidget 생성 (TeamNADA#364)

- 잠금화면 위젯으로만 사용하기 때문에 accessoryCircular 만 설정.
- 선택목록이 없는 위젯이기 때문에 StaticConfiguration 사용.

Widgets/WidgetsBundle/OpenAppLockScreenWidget.swift

@@ -0,0 +1,56 @@
+//
+//  OpenAppLockScreenWidget.swift
+//  WidgetsExtension
+//
+//  Created by kimhyungyu on 2023/02/05.
+//
+
+import WidgetKit
+import SwiftUI
+
+struct OpenAppLockScreenProvider: TimelineProvider {
+    func placeholder(in context: Context) -> OpenAppLockScreenEntry {
+        OpenAppLockScreenEntry(date: Date())
+    }
+
+    func getSnapshot(in context: Context, completion: @escaping (OpenAppLockScreenEntry) -> Void) {
+        let entry = OpenAppLockScreenEntry(date: Date())
+        completion(entry)
+    }
+
+    func getTimeline(in context: Context, completion: @escaping (Timeline<Entry>) -> Void) {
+        var entries: [OpenAppLockScreenEntry] = []
+
+        let currentDate = Date()
+        for hourOffset in 0 ..< 5 {
+            let entryDate = Calendar.current.date(byAdding: .hour, value: hourOffset, to: currentDate)!
+            let entry = OpenAppLockScreenEntry(date: entryDate)
+            entries.append(entry)
+        }
+
+        let timeline = Timeline(entries: entries, policy: .never)
+        completion(timeline)
+    }
+}
+
+struct OpenAppLockScreenEntry: TimelineEntry {
+    let date: Date
+}
+struct OpenAppLockScreenWidget: Widget {
+    let kind: String = "OpenAppLockScreen"
+
+    var body: some WidgetConfiguration {
+        StaticConfiguration(kind: kind,
+                            provider: OpenAppLockScreenProvider()) { entry in
+            OpenAppLockScreenEntryView(entry: entry)
+        }
+        .supportedFamilies([.accessoryCircular])
+    }
+}
+
+struct OpenAppLockScreenWidget_Previews: PreviewProvider {
+    static var previews: some View {
+        OpenAppLockScreenEntryView(entry: OpenAppLockScreenEntry(date: Date()))
+            .previewContext(WidgetPreviewContext(family: .accessoryCircular))
+    }
+}