feat: support reading recordings, address some warnings

src/recording_data/voice_channel.rs

@@ -1,5 +1,4 @@
 use snafu::{OptionExt as _, ResultExt as _, Snafu};
-use std::num::ParseIntError;
 use std::str::FromStr;
 use twilight_model::id::Id;
 use twilight_model::id::marker::ChannelMarker;