Add Rust Router Python Binding (#1891)

Signed-off-by: Austin Liu <austin362667@gmail.com>
Co-authored-by: ByronHsu <byronhsu1230@gmail.com>

rust/pyproject.toml

@@ -0,0 +1,15 @@
+[build-system]
+requires = ["maturin>=1.5.1,<2.0"]
+build-backend = "maturin"
+
+[project]
+name = "sglang_router"
+requires-python = ">=3.9"
+classifiers = [
+    "Programming Language :: Rust",
+    "Programming Language :: Python :: Implementation :: CPython",
+]
+dynamic = ["version"]
+
+[tool.maturin]
+bindings = 'pyo3'