Initial Wayland greeter source

Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "wayland-greeter"
+version = "0.1.0"
+edition = "2024"
+rust-version = "1.85"
+description = "A compact GTK4 greetd greeter for Wayland sessions"
+license = "MIT"
+
+[dependencies]
+gtk = { package = "gtk4", version = "0.10" }
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+