feat: make VCsWatcher, a watch channel of VCs

src/command/mod.rs

@@ -16,7 +16,7 @@ use twilight_model::{
     },
 };
 
-use crate::{BotDataManager, GuildVoiceChannelToTextChannel, UserDataManager, VCs};
+use crate::{BotDataManager, GuildVoiceChannelToTextChannel, UserDataManager, VCs, track_vcs::VCsWatcher};
 
 pub mod info;
 pub mod join;
@@ -42,7 +42,7 @@ pub struct State {
     pub recording_data: Operator,
     pub songbird: Arc<Songbird>,
     pub user_data_manager: UserDataManager,
-    pub vcs: Arc<VCs>,
+    pub vcs_watcher: VCsWatcher,
 }
 
 type Return = ();