feat: Added memy starting messages

[TheOptimisticFactory]

Main changes

• [X] Added ability to print a random message in the chat window when the game start. The message is pulled randomly for each player from the list startingMemes contained in the file config.yml

Note: only ONE (1) is displayed per game. The above screenshot is only to illustrate what it looks like

---

:gb: For those interested, my fork (https://github.com/TheOptimisticFactory/LoupGarou#server-files-plug-and-play) includes this pull-request as well as multiple other features that haven't been merged here yet

:fr: Pour ceux intéressés mon fork (https://github.com/TheOptimisticFactory/LoupGarou#server-files-plug-and-play) inclut ces changements ainsi que de multiples autres fonctionnalités qui n'ont pas encore été mergées ici