Chore/documentation (#139)

* chore: update manifest version

* chiore: update readme

README.md

@@ -19,6 +19,8 @@ All configuration is stored inside the `.env` file, in the root directory. That
 - **ENVIRONMENT** - It can be set to `production` or `development` and determines how the project will be built.
 - **SWARM_EXTENSION_ID** - This ID is used to establish communication with the Swarm extension in development mode.
 
+> **_NOTE_:** Data will be loaded from bee URL defined in the Swarm extension. Check your bee URL in the Swarm extension if it is set to correct endpoint.
+
 ## Installation
 
 The extension is built by running this command: