/nick suggestions (PlaceholderAPI variables & chat name replacement)

[Jadiction]

Some functions that NickNamer provides such as replacing the player name to the nickname everywhere in chat & allowing reverse replacement for commands (nickname -> name), meaning if I did "/mail <someone's nick> hi", it'd replace it to their real name & still work.

Additionally, as of right now, /nick only changes name in chat. I'd like placeholders so I can use it for the tab & above-name tag.

[Jadiction]

Oh, another thing I just thought of is adding a placeholder for mail. Currently, there's no way for users to know they have mail. Either MaSuiteChat can add a notification toggle for unread mail to be sent after MOTD or a placeholder. (I manage my MOTD with another plugin so a placeholder would be nice)