Restructure job crate: separate rust and vlang folders, extract Job types from runner_rust

rust/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "hero-job"
+version = "0.1.0"
+edition = "2021"
+description = "Job types and utilities for the Hero ecosystem"
+
+[dependencies]
+chrono = { version = "0.4", features = ["serde"] }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+uuid = { version = "1.0", features = ["v4"] }
+thiserror = "1.0"
+redis = { version = "0.25", features = ["aio", "tokio-comp"] }
+tokio = { version = "1.0", features = ["rt", "time"] }
+log = "0.4"
+secp256k1 = { version = "0.28", features = ["recovery"] }
+sha2 = "0.10"
+hex = "0.4"
+
+[lib]
+name = "hero_job"
+path = "src/lib.rs"