Breno Alves

[Feature] Login Message

1

### Changes Proposed - Added the possibility to "close" the server with a custom warning.

New function [leaveChannel]

5

### Pull Request Prelude - [x] I have followed [proper The Forgotten Server code styling][code]. - [x] I have read and understood the [contribution guidelines][cont] before making this PR. -...

Prevent crash

2

### Pull Request Prelude - [x] I have followed [proper The Forgotten Server code styling][code]. - [x] I have read and understood the [contribution guidelines][cont] before making this PR. -...