fix: add project build info

pyproject.toml

@@ -18,3 +18,14 @@ dev = [
 [[tool.uv.index]]
 url = "https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple"
 default = true
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build.targets.wheel]
+packages = ["ok.py", "main.py"]
+
+[project.scripts]
+abc = "main:main"
+hello = "ok:hello"