Update README

README.md

@@ -30,6 +30,8 @@ Using this playbook, you can get the following services configured on your serve
 
 - (optional) the [matrix-synapse-shared-secret-auth](https://github.com/devture/matrix-synapse-shared-secret-auth) password provider module
 
+- (optional) the [Matrix Corporal](https://github.com/devture/matrix-corporal) reconciliator and gateway for a managed Matrix server
+
 Basically, this playbook aims to get you up-and-running with all the basic necessities around Matrix, without you having to do anything else.
 
 
@@ -88,6 +90,8 @@ This playbook sets up your server using the following Docker images:
 
 - [panubo/postfix](https://hub.docker.com/r/panubo/postfix/) - the [Postfix](http://www.postfix.org/) email server (optional)
 
+- [devture/matrix-corporal](https://hub.docker.com/r/devture/matrix-corporal/) - [Matrix Corporal](https://github.com/devture/matrix-corporal): reconciliator and gateway for a managed Matrix server (optional)
+
 - [nginx](https://hub.docker.com/_/nginx/) - the [nginx](http://nginx.org/) web server (optional)