Update readme to mention branch on Traefik 1

README.md

@@ -1,10 +1,17 @@
 # Reverse Proxy
-This role sets up a reverse proxy, to route HTTP traffic to the containers. Currently this is facilitated by traefik.
+
+This role sets up a reverse proxy, to route HTTP traffic to the containers. Currently this is facilitated by [Traefik](https://containo.us/traefik/).
+
+> Current `master` targets Traefik 2.x, for Traefik 1.x support use [`traefik-1.x` branch](https://github.com/OneOffTech/ansible-role-reverseproxy/tree/traefik-1.x)
 
 ## Requirements
-A working Docker installation on the host system is all you need. For automatic certificate generation via LetsEncrypt a domain name has to point toward your host address.
+
+A working Docker installation on the host system is all you need. 
+
+For automatic certificate generation via LetsEncrypt a domain name has to point toward your host address.
 
 ## Configuration Variables
+
 ```yaml
 path: "/home/user/reverseproxy" # Where the VPN proxy service will reside
 data: "/data/reverseproxy/cert" # Where the certificates will be persisted
@@ -13,5 +20,6 @@ letsencrypt_email: "[email protected]" # Email of the admin, will be used for not
 ```
 
 ## Upgrading installations
+
 To upgrade the installation it is sufficient to simply run this playbook again after increasing
 the version number.