initial commit

initialize cargo, just, and dependencies

Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "git-su"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+clap = { version = "4.6.6", features = ["derive"] }
+serde = { version = "1.0.229", features = ["derive"] }
+serde_json = "1.0.151"