feat(server): add server side channel checking

[AvarianKnight]

I don't have any way to test the code provided, though none of this should break any compatibility.

This also requires the use of version 5 or greater

[evanillaa]

nice work thank you @AvarianKnight Since you are the owner of the project, can I ask? How can you create a command, for example, to print the frequency the player entered?

output : 1 -frequency

[AvarianKnight]

nice work thank you @AvarianKnight Since you are the owner of the project, can I ask? How can you create a command, for example, to print the frequency the player entered?

output : 1 -frequency

Here's some examples of how to do that, you can see a list of available stage getters here

[evanillaa]

thank you