Merge pull request #66 from Xahau/iana-port

Add IANA port reference

src/content/docs/docs/infrastructure/installing-xahaud.mdx

@@ -44,7 +44,7 @@ This peering is relevant for both Docker containers and local installations.
 <tr><td>Hooks Smart Contract Documentation</td><td><a href="https://xrpl-hooks.readme.io/">https://xrpl-hooks.readme.io</a></td><td>Same as Mainnet</td></tr>
 <tr><td>Explorer</td><td><a href="https://explorer.xahau.network/">https://explorer.xahau.network/</a></td><td><a href="https://explorer.xahau-test.net/">https://explorer.xahau-test.net</a></td></tr>
 <tr><td>Public WebSocket URL</td><td><a href="wss://xahau.network">wss://xahau.network</a></td><td><a href="wss://xahau-test.net">wss://xahau-test.net</a></td></tr>
-<tr><td>Network ID and Peer Listening Port</td><td>21337</td><td>21338</td></tr>
+<tr><td>Network ID and Peer Listening Port</td><td>21337 <a href="https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=21337">IANA assigned port</a></td><td>21338</td></tr>
 <tr>
 <td>Peering and Bootstrap Servers</td>
 <td>bacab.alloy.ee 21337<br></br>hubs.xahau.as16089.net 21337</td>