Added introduction to readme

README.md

@@ -2,7 +2,12 @@
 # RMBK-1000 Simulator
 This a a recreation of the RBMK-1000 reactor from Chernobyl: the legacy continues.
 ![](./preview.png)
+## Introduction
+
+RBMK-1000 Simulator is a tool for simulating the behavior of the RBMK-1000 reactor used at the Chernobyl Nuclear Power Plant. The simulator allows users to explore different scenarios and experiment with the control of the reactor, without the risk of a real-life disaster. By providing a safe and controlled environment for testing, RBMK-1000 Simulator can help improve the safety and reliability of nuclear power plants worldwide.
+
 ## Commands
+
 * help (page) - display this page.
 * insert rod (rod number) - insert a fuel rod.
 * remove rod (rod number) - remove a fuel rod.