Use uv build backend

uv's build backend expects our module to be in src.

See: https://docs.astral.sh/uv/concepts/build-backend/#modules

pyproject.toml

@@ -38,11 +38,10 @@ homepage = "https://github.com/ilri/csv-metadata-quality"
 [project.scripts]
 csv-metadata-quality = 'csv_metadata_quality.__main__:main'
 
-# So uv doesn't fall back to setuptools
-# See: https://packaging.python.org/en/latest/tutorials/packaging-projects/#choosing-build-backend
+# See: https://docs.astral.sh/uv/concepts/build-backend/
 [build-system]
-requires = ["hatchling"]
-build-backend = "hatchling.build"
+requires = ["uv_build>=0.7.19,<0.8.0"]
+build-backend = "uv_build"
 
 [dependency-groups]
 dev = [
@@ -52,10 +51,6 @@ dev = [
     "ipython~=8.31",
 ]
 
-# So hatch doesn't try to build other top-level directories like "data"
-[tool.hatch.build.targets.wheel]
-packages = ["csv_metadata_quality"]
-
 [tool.isort]
 profile = "black"
 line_length=88