Readme update: commercial use (#2403)

README.md

@@ -25,7 +25,7 @@
 
 <i>The Commissioner Jules Maigret is a fictional French police detective, created by Georges Simenon. His investigation method is based on understanding the personality of different people and their interactions.</i>
 
-<b>👉👉👉 [Online Telegram bot](https://t.me/maigret_search_bot)</b>
+<b>👉👉👉 [Online Telegram bot](https://t.me/maigret_search_bot) | 🏢 [Commercial use & API](#commercial-use)</b>
 
 ## About
 
@@ -192,6 +192,16 @@ The authors and developers of this tool bear no responsibility for any misuse or
 
 If you have any questions, suggestions, or feedback, please feel free to [open an issue](https://github.com/soxoj/maigret/issues), create a [GitHub discussion](https://github.com/soxoj/maigret/discussions), or contact the author directly via [Telegram](https://t.me/soxoj).
 
+## Commercial Use
+
+If you need a **daily updated database** of supported sites or an **API for username checks**, feel free to reach out:
+
+📧 [maigret@soxoj.com](mailto:maigret@soxoj.com)
+
+Available options:
+- Up-to-date site database - regularly maintained and updated list of 5K+ sites, delivered daily
+- Username check API - programmatic access to Maigret's search capabilities for integration into your products
+
 ## SOWEL classification
 
 This tool uses the following OSINT techniques: