Merge pull request #614 from scdub/flit-core-readme

Flit core readme

flit_core/README.rst

@@ -1,6 +1,9 @@
 flit_core
 ---------
 
-This provides a PEP 517 build backend for packages using Flit.
-The only public interface is the API specified by PEP 517, at ``flit_core.buildapi``.
+This provides a `PEP 517 <https://peps.python.org/pep-0517/>`_ build backend
+for packages using `Flit <https://pypi.org/project/flit/>`_.  The only public
+interface is the API specified by PEP 517, at ``flit_core.buildapi``.
 
+See the `Flit documentation <https://flit.pypa.io/en/stable/>`_ for more
+information.

flit_core/pyproject.toml

@@ -11,6 +11,7 @@ authors=[
 description = "Distribution-building parts of Flit. See flit package for more information"
 dependencies = []
 requires-python = '>=3.6'
+readme = "README.rst"
 license = {file = "LICENSE"}
 classifiers = [
     "License :: OSI Approved :: BSD License",
@@ -19,6 +20,7 @@ classifiers = [
 dynamic = ["version"]
 
 [project.urls]
+Documentation = "https://flit.pypa.io"
 Source = "https://github.com/pypa/flit"
 
 [tool.flit.sdist]