refactor: update Cargo.toml

Cargo.toml

@@ -2,6 +2,13 @@
 name = "dysm-rs"
 version = "0.1.0"
 edition = "2021"
+authors = ["Dany LE"]
+description = "Diya Session Manager"
+repository = "https://git.iohub.dev/diya/dysm-rs.git"
+license = "MIT"
+readme = "README.md"
+keywords = ["session manager", "PAM"]
+categories = ["daemon", "service"]
 
 [dependencies]
 clap = "4"
@@ -12,3 +19,10 @@ libc = "0.2.183"
 libpam-sys = "0.2.0"
 nix = {version ="0.31.2", features = ["user", "process", "signal"]}
 toml = "0.8"
+
+[profile.release]
+opt-level = 3
+# 's' for size
+lto = true
+# panic = 'abort'
+codegen-units = 1