docs: 📝 add cargo description

Cargo.toml

@@ -1,15 +1,17 @@
 [package]
+description = "just for oauth2 login"
+edition = "2021"
+license = "MIT"
 name = "just-auth"
 version = "0.1.0"
-edition = "2021"
 
 [dependencies]
-serde = { version = "1.0", features = ["derive"] }
-serde_urlencoded = "0.7"
-serde_json = "1.0"
-serde_with = "3.9"
 async-trait = "0.1"
 derive_builder = "0.20"
+reqwest = {version = "0.12", features = ["json"]}
+serde = {version = "1.0", features = ["derive"]}
+serde_json = "1.0"
+serde_urlencoded = "0.7"
+serde_with = "3.9"
 thiserror = "1.0"
-reqwest = { version = "0.12", features = ["json"] }
-tokio = { version = "1", features = ["full"] }
+tokio = {version = "1", features = ["full"]}