meta: use contact_links instead of issue templates

To redirect people to the help and website repos.

PR-URL: #30172
Refs: https://github.blog/changelog/2019-10-28-new-issue-template-configuration-options/
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,8 @@
+blank_issues_enabled: false
+contact_links:
+  - name: ⁉️ Need help with Node.js?
+    url: https://github.com/nodejs/help
+    about: Please file an issue in our help repo.
+  - name: 🌐 Found a problem with nodejs.org?
+    url: https://github.com/nodejs/nodejs.org/issues/new/choose
+    about: Please file an issue in the Node.js website repo.