docs(contrib): link to community projects

Author: carmstrong

contrib/README.md

@@ -9,3 +9,20 @@ This does not preclude their usefulness.
 
 Please add any issues you find with this software to the
 [Deis project](https://github.com/deis/deis/issues).
+
+## Community contributions
+
+Various community members have modified Deis components, created new components, or provided tools
+that may be useful to Deis users. While these are not supported by the Deis team, they can be helpful
+in certain scenarios.
+
+Some of these projects include:
+
+* [CoreOS unit files](https://github.com/ianblenke/coreos-vagrant-kitchen-sink/tree/master/cloud-init) (@ianblenke) - Unit files to launch various services on CoreOS hosts
+* [deis-dashboard](https://github.com/lorieri/deis-dashboard) (@lorieri) - A dashboard which summarizes requests to the Deis cluster
+* [deis-docs](https://github.com/lorieri/deis-docs) (@lorieri) - Container to test Deis documentation
+* [deis-netstat](https://github.com/lorieri/deis-netstat) (@lorieri) - A cluster-wide netstat tool for Deis
+* [deis-proxy](https://github.com/lorieri/deis-proxy) (@lorieri) - A transparent proxy for Deis
+* [deis-store-dashboard](https://github.com/aledbf/deis/tree/optional_store_dashboard) (@aledbf) - An implementation of [ceph-dash](https://github.com/Crapworks/ceph-dash) to view `deis-store` health
+
+This is a non-exhaustive list. Please add to this list by opening a pull request.