feat: 初始化 Live Photo 项目结构

- 添加 PRD、技术规范、交互规范文档 (V0.2)
- 创建 Swift Package 和 Xcode 项目
- 实现 LivePhotoCore 基础模块
- 添加 HEIC MakerNote 元数据写入功能
- 创建项目结构文档和任务清单
- 添加 .gitignore 忽略规则

to-live-photo/to-live-photoTests/to_live_photoTests.swift

@@ -0,0 +1,17 @@
+//
+//  to_live_photoTests.swift
+//  to-live-photoTests
+//
+//  Created by empty on 2025/12/13.
+//
+
+import Testing
+@testable import to_live_photo
+
+struct to_live_photoTests {
+
+    @Test func example() async throws {
+        // Write your test here and use APIs like `#expect(...)` to check expected conditions.
+    }
+
+}