initial track queue implementation

src/queue.rs

@@ -0,0 +1,22 @@
+use std::collections::VecDeque;
+
+use rspotify::spotify::model::track::FullTrack;
+
+pub struct Queue {
+    queue: VecDeque<FullTrack>,
+}
+
+impl Queue {
+    pub fn new() -> Queue {
+        Queue {
+            queue: VecDeque::new()
+        }
+    }
+    pub fn enqueue(&mut self, track: FullTrack) {
+        self.queue.push_back(track);
+    }
+
+    pub fn dequeue(&mut self) -> Option<FullTrack> {
+        self.queue.pop_front()
+    }
+}