docs: add conda badge

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

Author: henryiii

README.md

@@ -7,6 +7,7 @@
 [![Live ReadTheDocs][rtd-badge]][rtd-link]
 
 [![PyPI version][pypi-version]][pypi-link]
+[![Conda-Forge][conda-badge]][conda-link]
 [![PyPI platforms][pypi-platforms]][pypi-link]
 
 A [copier][]/[cookiecutter][] template for new Python projects based on the
@@ -436,5 +437,7 @@ Will not show up if no `setup.cfg` file is present.
 [scientific-python development guide]: https://learn.scientific-python.org/development
 [scientific-python/cookie]: https://github.com/scientific-python/cookie
 [scikit-hep]: https://scikit-hep.org
+[conda-badge]: https://img.shields.io/conda/vn/conda-forge/sp-repo-review
+[conda-link]: https://github.com/conda-forge/sp-repo-review-feedstock
 
 <!-- prettier-ignore-end -->