Add Cloudsmith prebuilt packages information to README

Author: milad-zanganeh

README.md

@@ -262,4 +262,8 @@ feel free to open GitHub issues requesting for new features. Before opening a ne
 Having our packages in distros on time is something we highly desire. Let us know if
 there is anything we can do to facilitate your work as a packager.
 
+For users who prefer not to compile from source, prebuilt Nginx packages that include ModSecurity are available via a third-party Cloudsmith repository. These packages can be found at:
+[https://cloudsmith.io/~nginx/repos/modsecurity/packages/](https://cloudsmith.io/~nginx/repos/modsecurity/packages/)
+
+Note: This is a third-party repository and is not officially maintained by the ModSecurity project.