Update documentation sidebar (#239)

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docs/user/README.md

@@ -16,7 +16,7 @@ Kyma Eventing uses the following technology:
 
 Kyma Eventing follows the PubSub messaging pattern: Kyma publishes messages to a messaging backend, which filters these messages and sends them to interested subscribers. Kyma does not send messages directly to the subscribers as shown below:
 
-![PubSub](/docs/assets/evnt-pubsub.svg)
+![PubSub](../assets/evnt-pubsub.svg)
 
 Eventing in Kyma from a user’s perspective works as follows:
 

docs/user/_sidebar.md

@@ -1,5 +1,7 @@
 * [Home](/README.md)
-* [Kyma module](README.md)
+* [Eventing module](README.md)
+* [Module lifecycle](01-manager.md)
+* [Configuration](02-configuration.md)
 * [Eventing architecture](evnt-architecture.md)
 * [Event names](evnt-event-names.md)
 * [Eventing metrics](evnt-eventing-metrics.md)
@@ -16,4 +18,4 @@
   * [NATS JetStream backend troubleshooting](./troubleshooting/evnt-02-jetstream-troubleshooting.md)
   * [Subscriber receives irrelevant events](./troubleshooting/evnt-03-type-collision.md)
   * [Eventing backend stopped receiving events due to full storage](./troubleshooting/evnt-04-free-jetstream-storage.md)
-  * [Published events are pending in the stream](./troubleshooting/evnt-05-fix-pending-messages.md)
+  * [Published events are pending in the stream](./troubleshooting/evnt-05-fix-pending-messages.md)