feat: try implement djs voice + video (v12)

src/client/voice/util/Silence.js

@@ -0,0 +1,16 @@
+'use strict';
+
+const { Buffer } = require('node:buffer');
+const { Readable } = require('stream');
+
+const SILENCE_FRAME = Buffer.from([0xf8, 0xff, 0xfe]);
+
+class Silence extends Readable {
+  _read() {
+    this.push(SILENCE_FRAME);
+  }
+}
+
+Silence.SILENCE_FRAME = SILENCE_FRAME;
+
+module.exports = Silence;