doc: update support channels

PR-URL: #57538
Reviewed-By: Yagiz Nizipli <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>

Author: ovflowd

.github/SUPPORT.md

@@ -7,9 +7,10 @@ Node.js](https://github.com/nodejs/Release#release-schedule).
 When looking for support, please first search for your question in these venues:
 
 * [Node.js Website](https://nodejs.org/en/), especially the
-  [API docs](https://nodejs.org/api/)
-* [Node.js Help](https://github.com/nodejs/help)
+  [API docs](https://nodejs.org/api/) or the [Learn material](https://nodejs.org/en/learn)
+* [Node.js's GitHub Help repository](https://github.com/nodejs/help)
 * [Open or closed issues in the Node.js GitHub organization](https://github.com/issues?utf8=%E2%9C%93&q=sort%3Aupdated-desc+org%3Anodejs+is%3Aissue)
+* [Ask for support on Node.js's Discord server](https://nodejs.org/discord)
 
 If you didn't find an answer in the resources above, try these unofficial
 resources:
@@ -19,7 +20,7 @@ resources:
 * [Node.js Slack Community](https://node-js.slack.com/)
   * To register: [nodeslackers.com](https://www.nodeslackers.com/)
 
-GitHub issues are for tracking enhancements and bugs, not general support.
+**GitHub issues are for tracking enhancements and bugs, not general support.**
 
 The open source license grants you the freedom to use Node.js. It does not
 guarantee commitments of other people's time. Please be respectful and manage