Place holders:
%time% can be used any where is replaced in the time that is on server software

%player_count% can be used only in join server and leave server and is replaced by player count

%player_max% can be used only in join server and leave server and is replaced by max player count

%username% cannot be used in server starts server stops, is replaced by player username

%chat% can be used only in chat log, is replaced by chat message

24hourformat can be only true or false, when it's true the time is 13,14,15
but when it is false the time is 1,2,3

addAuthor adds author to discord embed, looks like this: https://gyazo.com/3f472f6c24e6b180db05ca74356cc65a

you can also specify colors in RGB format