feat: add tokio support

Author: ALameLlama

Cargo.lock

@@ -18,3 +18,8 @@ rustc_version = { version = "0.4.0" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0" }
 uuid = { version = "1.7.0", features = ["v4", "fast-rng"] }
+tokio = { version = "1.36.0", features = ["full"], optional = true }
+
+[features]
+default = []
+with_tokio = ["tokio"]

Cargo.toml

@@ -29,5 +29,11 @@ Add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-ray-rust = "0.1"
+ray-rust = "0.1.5"
+```
+
+## Features
+
+```toml
+ray-rust = { version = "0.1.5", features = ["with_tokio"] }
 ```