Update README.md

Author: tomer-w

README.md

@@ -82,6 +82,8 @@ The integration can be configured in two ways:
 documented entities
 If you want to help the community and add more entities, please take a look at the [module](httsimpleithub.com/tomer-w/victron_mqtt) which drives this integration. It is very simple to extend this integration. I wrote a [document](https://github.com/tomer-w/victron_mqtt/blob/main/extending-victron-support.md) about it.
 
+## Adding entities
+If you want to help the community and add more entities, please take a look at the [module](https://github.com/tomer-w/victron_mqtt) which drives this integration. It is very simple to extend this integration. I wrote a [document](https://github.com/tomer-w/victron_mqtt/blob/main/extending-victron-support.md) about it.
 
 ## Troubleshooting