update readme

README.md

@@ -1,2 +1,10 @@
 # npsapp
-KevaChat App for NPS Protocol
+
+KevaChat Application for [NPS Protocol](https://nightfall.city/nps/info/specification.txt)
+
+## Components
+
+* [kevachat/kevacoin-php](https://github.com/kevachat/kevacoin-php) - KevaCoin library for PHP
+* [yggverse/nps-php](https://github.com/YGGverse/nps-php) - PHP 8 / Composer Library for NPS Protocol
+* [gregwar/captcha](https://github.com/Gregwar/Captcha) - Captcha library to prevent spam abuses
+* [ixnode/php-cli-image](https://github.com/ixnode/php-cli-image) - Library converts captcha to ASCII format