added disclaimer

README.md

@@ -14,3 +14,10 @@ For Windows:
   3. ./portscanner_linux
   4. Enter the target either doamin name or IP address. For scanning multiple targets enter each of them separated by comma. (eg: google.com, 198.168.43.59, microsoft.com, mad4souvik.ml)
   5. Scanning will take a few minutes or second depending upon the target as well as internet connection.
+
+
+### Disclaimer !!
+
+> This tool is only for testing and academic purposes and can only be used where strict consent has been given. Do not use it for
+> illegal purposes! It is the end user’s responsibility to obey all applicable local, state and federal laws. Developers assume no
+> liability and are not responsible for any misuse or damage caused by this tool and software in general.