added introduction

README.md

@@ -1,3 +1,7 @@
 # AO-Scanner
 
-ArOZ Online System Scanner implemented in VB.net for Windows Systems
+ArOZ Online System Scanner implemented in VB.net for Windows Systems
+
+
+### Introduction
+This is a command line tool to detect all ArOZ Online System within your subnet (referencing the fisrt NIC). Nothing special about this tool. This is a reference example for how you can discover your ArOZ Online System without any internet or even external softwares.