fix: resolve CI workflow path and add lint job

Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "api-token-vault"
+version = "0.1.0"
+edition = "2021"
+description = "A Rust CLI tool that generates cryptographically secure API tokens, stores them in an encrypted local vault, rotates them on configurable schedules, and injects them into .env files."
+authors = ["API Token Vault"]
+
+[dependencies]
+clap = { version = "4.4", features = ["derive"] }
+sodiumoxide = "0.2"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+chrono = { version = "0.4", features = ["serde"] }
+uuid = { version = "1.6", features = ["v4", "serde"] }
+dirs = "5.0"
+home = "0.5"
+base64 = "0.21"
+rand = "0.8"
+rpassword = "7.3"
+
+[dev-dependencies]
+assert_cmd = "2.0"
+predicates = "3.0"
+
+[profile.release]
+lto = true
+opt-level = 3