Add Cargo.toml with core dependencies

Cargo.toml

@@ -0,0 +1,48 @@
+[package]
+name = "momentry_playground"
+version = "0.1.0"
+edition = "2021"
+description = "MoMentry 主視窗應用 - 統一播放、檢視、監控於一體"
+authors = ["Warren Lo <warren@accusys.com.tw>"]
+license = "MIT"
+
+[[bin]]
+name = "momentry"
+path = "src/main.rs"
+
+[lib]
+name = "momentry_playground"
+path = "src/lib.rs"
+
+[dependencies]
+# 桌面窗口管理
+tao = "0.30"
+wry = "0.54"
+
+# 視頻/音頻
+sdl2 = "0.38"
+ffmpeg-sidecar = "2.4"
+
+# 錯誤處理
+anyhow = "1.0"
+thiserror = "2.0"
+
+# 序列化
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+
+# 異步
+tokio = { version = "1", features = ["full"] }
+
+# HTTP 客戶端
+reqwest = { version = "0.12", features = ["json"] }
+
+# 日誌
+log = "0.4"
+env_logger = "0.11"
+
+# 工具
+clap = { version = "4.5", features = ["derive"] }
+dirs = "6"
+md5 = "0.7"
+chrono = "0.4"