feat: ability to join call with user

src/command/mod.rs

@@ -2,6 +2,7 @@ use std::{fmt::Debug, sync::Arc};
 
 use futures::future::BoxFuture;
 use patricia_tree::StringPatriciaMap;
+use songbird::Songbird;
 use twilight_model::application::{command::Command, interaction::Interaction};
 
 use crate::VCs;
@@ -13,6 +14,7 @@ mod opt_out;
 #[derive(Debug, Clone)]
 pub struct State {
     pub vcs: Arc<VCs>,
+    pub songbird: Arc<Songbird>,
 }
 
 type Return = ();