Fix codeowners file (#39)

* add * to catch-all codeowners

* add newline

Author: jlf0dev

.github/CODEOWNERS

@@ -4,4 +4,4 @@
 
 # The following owners will be the default owners for everything in the repo.
 # Unless a later match takes precedence
-@bitwarden/team-auth-dev
+* @bitwarden/team-auth-dev