Add the Local Persist plugin
I wasn't 100% sure if it was appropriate to add plugin here, but invited me to do so, so here it is!
(see https://github.com/CWSpear/local-persist/issues/17#issuecomment-188523784)
@@ -99,6 +99,11 @@ The following plugins exist:
Neutron, the OpenStack networking service. It includes an IPAM
driver as well.
+* The [Local Persist Plugin](https://github.com/CWSpear/local-persist)
+ extends the default `local` driver's functionality by allowing you specify
+ a mountpoint anywhere on the host, which enables the files to *always persist*,
+ even if the volume is removed via `docker volume rm`.
+
## Troubleshooting a plugin
If you are having problems with Docker after loading a plugin, ask the authors
