Rename rust folder to sgl-router (#2464)

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

sgl-router/pyproject.toml

@@ -0,0 +1,26 @@
+[build-system]
+requires = ["setuptools>=45", "wheel", "setuptools-rust>=1.5.2"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "sglang-router"
+version = "0.1.1"
+description = "SGLang router is a standalone module implemented in Rust to achieve data parallelism across SGLang instances."
+authors = [{name = "Byron Hsu", email = "byronhsu1230@gmail.com"}]
+requires-python = ">=3.8"
+readme = "README.md"
+license = { file = "LICENSE" }
+classifiers = [
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Rust",
+    "Programming Language :: Python :: 3",
+]
+
+# https://github.com/PyO3/setuptools-rust?tab=readme-ov-file
+[tool.setuptools.packages]
+find = { where = ["py_src"] }
+
+[[tool.setuptools-rust.ext-modules]]
+target = "sglang_router_rs"
+path = "Cargo.toml"
+binding = "PyO3"