Add libbinio to the Downloads page

Author: mywave82

download.html

@@ -130,6 +130,17 @@ <h1>Download</h1>
 <li>adplugdb-*.tar.gz - gzip compressed database package</li>
 </ul>
 </td></tr>
+<tr><td><a href="https://github.com/adplug/libbinio/releases">libbinio</a></td>
+<td><h2>libbinio - Binary I/O stream class library</h2>
+
+<p>A helper library to unify file I/O that includes helper functions
+for converting data between different endians. All internal I/O in Adplug
+uses this library.</p>
+<p>The following file packages are available:</p>
+<ul>
+<li>libbinio-*.tar.bz2 - bzip2 compressed source</li>
+</ul>
+</td></tr>
 </table>
 </td></tr>