Update CODEOWNERS

Author: Temaran

.github/CODEOWNERS

@@ -1,5 +1 @@
-# Documentation for this file can be found on the GitHub website here:
-# https://docs.github.com/en/free-pro-team@latest/github/creating-cloning-and-archiving-repositories/about-code-owners
-#
-# TODO: uncomment this line and set the maintainers' GitHub usernames
-# * @first_maintainer_username @second_maintainer_username
+* @temaran