Please improve chat customizability.

The chat feels duplicate with **:** (colon) character if you try to use smileys in the chat. 
Allowing to customize and format the chat more, would bring in better readabilty.
![image](https://github.com/dmustanger/7dtd-ServerTools/assets/21064622/64a1892d-4362-4637-b6f7-620f93606f60)
