README: link to this template on GitHub

The package on PyPI is not this template, which is confusing but
tolerable for links that should point to PyPI in projects using this
template, but is not necessary for links which do not need to be.

Signed-off-by: Kevin Locke <[email protected]>

Author: kevinoid

README.rst

@@ -163,6 +163,6 @@ terms of `CC0 1.0 Universal`_.
 .. _sphinx-apidoc: https://www.sphinx-doc.org/en/master/man/sphinx-apidoc.html
 .. _sphinx-argparse: https://sphinx-argparse.readthedocs.io
 .. _summary at TLDRLegal: https://tldrlegal.com/license/mit-license
-.. _template: https://pypi.org/project/python-project-template/
+.. _template: https://github.com/kevinoid/python-project-template
 .. _this package: https://pypi.org/project/python-project-template/
 .. _tox: https://tox.readthedocs.io