Hello, Respected Sir/Madam Aternos team 
I wish you to add a plugin called Awesome Chat Color .
Plugin Description:
This is the best plugin for changing chat color you can mading Bold, Italic, Underline and Strikethrough.
Plugin Link:
https://www.spigotmc.org/resou…t-1-7-1-8-1-9-1-10.17877/
Thank You If you read this thread and replied.