Implemented the /mute and /unmute commands:
Ways to use the mute feature:
/mute <=============== This will mute for an unlimited time the server chat.
/mute <Player> <======== This will mute for an unlimited time a player.
/mute <Player> <Time in numbers><s/m/h/d> <========= This will mute a player for the time specified.
Using the Chat Manager/Mute Chat Manager/Mute Player Chat

Ways to use the unmute feature:
/unmute <=============== This will unmute the chat
/unmute <Player> <======== This will unmute a player

Sounds Effects:
I added sounds when a player make actions for example: Report, Delete a Report, Got Frozen, and so. I'm planning to implement more in the future, but for now here is the list of sounds added:
This can be disabled in the config file!