docs: cleanup LICENSE.md and fill project placeholders

Author: yash-pouranik

LICENSE.md

@@ -1,6 +1,3 @@
-urBackend
-Copyright (C) 2026 Yash Pouranik
-
 GNU AFFERO GENERAL PUBLIC LICENSE
 Version 3, 19 November 2007
 
@@ -632,8 +629,8 @@ 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>
+  urBackend — The MongoDB-native Backend-as-a-Service
+  Copyright (C) 2026  Yash Pouranik
 
   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 by