customize traffic light on macOS

src-tauri/Cargo.toml

@@ -16,7 +16,8 @@ tauri-build = { version = "1.4", features = [] }
 [dependencies]
 serde_json = "1.0"
 serde = { version = "1.0", features = ["derive"] }
-tauri = { version = "1.4", features = [ "macos-private-api",
+tauri = { version = "1.4", features = [
+  "macos-private-api",
   "window-close",
   "window-print",
   "window-create",
@@ -53,6 +54,8 @@ sqlx-cli = { version = "0.7.0", default-features = false, features = [
 ] }
 rust-argon2 = "1.0"
 webpage = { version = "1.6.0", features = ["serde"] }
+cocoa = "0.25.0"
+objc = "0.2.7"
 
 [features]
 # by default Tauri runs in production mode