Update docs to reference new web UI feature with image example.

docs/configuration/README.md

@@ -17,10 +17,11 @@ The Sherpa server can be configured by supplying either CLI flags or using envir
 * `--policy-engine-strict-checking-enabled` (bool: true) - When enabled, all scaling activities must pass through policy checks.
 * `--storage-consul-enabled` (bool: false) - Use Consul as a storage backend when using the API policy engine.
 * `--storage-consul-path` (string: "sherpa/policies/") - The Consul KV path that will be used to store policies.
-* `--telemetry-statsd-address` (string: "") - Specifies the address of a statsd server to forward metrics to
-* `--telemetry-statsite-address` (string: "") - Specifies the address of a statsite server to forward metrics data to
+* `--telemetry-statsd-address` (string: "") - Specifies the address of a statsd server to forward metrics to.
+* `--telemetry-statsite-address` (string: "") - Specifies the address of a statsite server to forward metrics data to.
 * `--tls-cert-key-path` (string: "") - Path to the TLS certificate key for the Sherpa server.
-* `--tls-cert-path (string: "")` - Path to the TLS certificate for the Sherpa server.
+* `--tls-cert-path` (string: "") - Path to the TLS certificate for the Sherpa server.
+* `--ui` (bool: false) - Run the Sherpa user interface.
 
 ### Environment Variables
 

docs/guides/ui.md

@@ -0,0 +1,5 @@
+# Sherpa UI
+
+The Sherpa UI provides an easy visualise overview of scaling activates which have taken place. It is namespaced under /ui, but visiting the root of the Sherpa server in your browser will redirect you to the Web UI.
+
+![web ui](../assets/web_ui_overview.png "Web UI Overview")