Replace SUPPORT.yml with link to forum.hestiacp.com

SUPPORT.yml was already broken

.github/ISSUE_TEMPLATE/SUPPORT.yml

@@ -1,20 +0,0 @@
-name: Support / Question
-description: Request for help, support, or to ask a general question
-title: "[Support] Do not use this form! "
-labels: [invalid]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        **Do not submit requests for support on GitHub! We use this platform for development purposes only.**
-        If you need help or want to ask a question, use one of these options:
-
-        * [Documentation](https://docs.hestiacp.com/)
-        * [Discussion Forums](https://forum.hestiacp.com/)
-        * [Discord (chat)](https://discord.gg/8b2HGNe8ne) (#community-support)
-  - type: checkboxes
-    id: support
-    attributes:
-      options:
-        - label: I acknowledge that any support request submitted with this form will be closed.
-          required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+    - name: Support Question
+      url: https://forum.hestiacp.com
+      about: We use GitHub issues only to discuss about HestiaCP bugs and new features.