Rename rust folder to sgl-router (#2464)

Signed-off-by: Ata Fatahi <immrata@gmail.com>

sgl-router/Cargo.toml

@@ -0,0 +1,32 @@
+[package]
+name = "sglang_router_rs"
+version = "0.0.0"
+edition = "2021"
+
+[lib]
+name = "sglang_router_rs"
+# Pure Rust library: Just omit crate-type (defaults to rlib)
+# Python/C binding + Rust library: Use ["cdylib", "rlib"]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+actix-web = "4.0"
+serde = { version = "1.0", features = ["derive"] }
+clap = { version = "4.4", features = ["derive"] }
+bytes = "1.8.0"
+rand = "0.8.5"
+reqwest = { version = "0.12.8", features = ["stream", "blocking"] }
+futures-util = "0.3"
+serde_json = "1.0"
+pyo3 = { version = "0.22.5", features = ["extension-module"] }
+tokenizers = { version = "0.20.3", features = ["http"] }
+dashmap = "6.1.0"
+http = "1.1.0"
+env_logger = "0.11.5"
+log = "0.4.22"
+chrono = "0.4.38"
+tokio = "1.42.0"
+
+[profile.release]
+lto = "thin"
+codegen-units = 1