added BOM contrib

Author: dghgit

CONTRIBUTORS.html

@@ -566,6 +566,7 @@
 <li>oscerd &lt;https://github.com/oscerd&gt; - comment corrections in GMSSRootSig.java.</li>
 <li>Léonard Dallot &lt;[email protected]&gt; - initial patches for GNU PG Divert to card format support.</li>
 <li>Linuka Ratnayake &lt;https://github.com/linukaratnayake&gt; - initial patches for including KEM-type algorithms in TLS key shares.</li>
+<li>Rune Flobakk &lt;https://github.com/runeflobakk&gt; - initial gradle mods for BOM (Bill of Materials) creation.</li>
 </ul>
 </body>
 </html>