docs: update readme

Author: M3nin0

Diff for: README.md

@@ -2,6 +2,8 @@
 
 The Geonames Index is designed to streamline the process of downloading, transforming, and indexing data from the comprehensive Geonames database into an Opensearch instance. This solution is ideal for anyone looking to leverage geographical data for search applications, data analysis, or geographic information systems.
 
+> **Note**: This is a hobby project.
+
 ## Features
 
 - (1) Automated download of Geonames data;
@@ -50,6 +52,10 @@ To index data, make sure you have the `geonames` library installed. You can inst
 pip install .
 ```
 
+## Rest API
+
+If you want to explore the Geonames data using a Rest API, check the [Geonames Search project](https://github.com/m3nin0-labs/geonames-search).
+
 ## Contributing
 
 We welcome contributions! If you have suggestions for improvements or bug fixes, please feel free to fork the repository and submit a pull request.