Hook OnPlayerBan/BannedSuggestion

It is possible to add OnPlayerBan and OnPlayerUnban hooks?

I just got an idea to make a plugin that will send player SteamIDs to the database to show the ban list at the website, but no hooks available to do that on-demand. Another possible way is to read BannedPlayers.cfg regularly at some time, however, this will be a bit tough operation to send to the MySQL database if we have tons of banned players.

Yes, ultimately we would have these added to all games, but it hasn't happened yet.