feat: try implement djs voice + video (v12)

src/client/voice/dispatcher/VideoDispatcher.js

@@ -0,0 +1,32 @@
+'use strict';
+
+const BaseDispatcher = require('./BaseDispatcher');
+
+/**
+ * The class that sends video packet data to the voice connection.
+ * ```js
+ * // Obtained using:
+ * client.voice.joinChannel(channel).then(connection => {
+ *   // You can play a file or a stream here:
+ *   const dispatcher = connection.playVideo('/home/hydrabolt/video.mp4', { fps: 60, preset: 'ultrafast' });
+ * });
+ * ```
+ * @implements {VolumeInterface}
+ * @extends {WritableStream}
+ */
+class VideoDispatcher extends BaseDispatcher {
+  constructor(player, highWaterMark = 12, streams, fps) {
+    super(player, highWaterMark, 101, true, streams);
+    this.fps = fps;
+  }
+
+  /**
+   * Set FPS
+   * @param {number} value fps
+   */
+  setFPSSource(value) {
+    this.fps = value;
+  }
+}
+
+module.exports = VideoDispatcher;