chore: re-add metadata

pyproject.toml

@@ -6,7 +6,22 @@ build-backend = "scikit_build_core.build"
 [project]
 name = "scikit_build_example"
 version = "0.0.1"
+description="A minimal example package (with pybind11)",
+readme = "README.md"
+authors = [
+  { name = "My Name", email = "me@email.com" },
+]
 requires-python = ">=3.7"
+classifiers = [
+  "Development Status :: 4 - Beta",
+  "License :: OSI Approved :: MIT License",
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.7",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+]
 
 [project.optional-dependencies]
 test = ["pytest"]