Fix contrib link
Until we have a CONTRIBUTING.md, this will do.
@@ -23,7 +23,7 @@ linkTitle = "Kopia"
{{% /blocks/feature %}}
-{{% blocks/feature icon="fab fa-github" title="Contributions welcome!" url="https://github.com/gohugoio/hugo" %}}
+{{% blocks/feature icon="fab fa-github" title="Contributions welcome!" url="https://github.com/kopia/kopia/blob/master/GOVERNANCE.md" %}}
We do a [Pull Request](https://github.com/kopia/kopia/pulls) contributions workflow on **GitHub**. New users are always welcome!
{{% /blocks/feature %}}
