add copyleft notices

js-programming/bytebeat-render.js

@@ -1,4 +1,6 @@
 /*
+bytebeat-render.js
+
 Node.JS: Bytebeat generator
 
 Note: Calls `ffmpeg` to convert output raw audio to a WAVE file
@@ -7,6 +9,9 @@ Warning: The current result is quick and dirty. Not for educational or
 production purposes.
 
 To-Do: Fix signed bytebeat and floatbeat
+
+Author: Intel A80486DX2-66
+License: Creative Commons Zero 1.0 Universal
 */
 
 const { appendFileSync, unlinkSync, writeFileSync } = require("fs")