Update README.md

jklymak · web-flow · commit 3036e5ca24c8 · 2021-04-15T14:38:36.000-07:00
diff --git a/README.md b/README.md
@@ -1,2 +1,15 @@
 # mpl-user-contrib
-list of matplotlib user-contributed packages
+List of matplotlib user-contributed packages.  These are served at <http://matplotlib.org/mpl-user-contrib.html>
+
+To add your package create a YAML file `your-cool-mpl-package.yml` with the following fields:
+
+```yml
+  name: your-cool-mpl-package
+  github: https://github.com/yourname/your-cool-mpl-package/
+  keywords:  stylefiles, helper functions
+  description:  A less-than 50-word description of your package that will help other users find it.
+```
+
+Either fork this repo and add the new file to it, or use the `Add File` button above, and then create a PR.
+
+
