Decouple core Yaak logic from Tauri (#354)

crates-tauri/yaak-mac-window/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "yaak-mac-window"
+links = "yaak-mac-window"
+version = "0.1.0"
+edition = "2024"
+publish = false
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(feature, values("cargo-clippy"))'] }
+
+[build-dependencies]
+tauri-plugin = { workspace = true, features = ["build"] }
+
+[target.'cfg(target_os = "macos")'.dependencies]
+cocoa = "0.26.0"
+log = { workspace = true }
+objc = "0.2.7"
+rand = "0.9.0"
+csscolorparser = "0.7.2"
+
+[dependencies]
+tauri = { workspace = true }