Add tool description and copyright note

Author: Ravid-CheckMarx

Diff for: LICENSE

@@ -629,8 +629,10 @@ to attach them to the start of each source file to most effectively
 state the exclusion of warranty; and each file should have at least
 the "copyright" line and a pointer to where the full notice is found.
 
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
+    c{api}tal is a vulnerable by design application that contains 10 API challenges which map to the OWASP top 10 API risks.
+    It is built with Python (FastAPI) and JS (React).
+    c{api}tal can also be used for conducting your own API Security CTF event.
+    Copyright (C) 2022  Checkmarx
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as published