feat: add documentation for our support forum (#21)

### Explanation

_No response_

### Issue

_No response_

### Attestations

- [ ] I have read and agree to the [Code of Conduct](https://docs.nhcarrigan.com/community/coc/)
- [ ] I have read and agree to the [Community Guidelines](https://docs.nhcarrigan.com/community/guide/).
- [ ] My contribution complies with the [Contributor Covenant](https://docs.nhcarrigan.com/dev/covenant/).

### Dependencies

- [ ] I have pinned the dependencies to a specific patch version.

### Style

- [ ] I have run the linter and resolved any errors.
- [ ] My pull request uses an appropriate title, matching the conventional commit standards.
- [ ] My scope of feat/fix/chore/etc. correctly matches the nature of changes in my pull request.

### Tests

- [ ] My contribution adds new code, and I have added tests to cover it.
- [ ] My contribution modifies existing code, and I have updated the tests to reflect these changes.
- [ ] All new and existing tests pass locally with my changes.
- [ ] Code coverage remains at or above the configured threshold.

### Documentation

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### Versioning

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Reviewed-on: #21
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

src/components/navigation.ts

@@ -149,7 +149,7 @@ export const navigation = [
         link: "/community/feedback",
       },
       {
-        label: "Community Fan Art Policy",
+        label: "Fan Art Guidelines",
         link: "/community/fan-art",
       }
     ].sort((a, b) => a.label.localeCompare(b.label)),
@@ -824,6 +824,10 @@ export const navigation = [
             label: "Documentation and Transparency Training for Staff",
             link: "/staff/training/documentation-transparency",
           },
+          {
+            label: "Support Forum Moderation Training for Staff",
+            link: "/staff/training/forum-moderation",
+          },
           {
             label: "Harassment and Bullying Response Training for Staff",
             link: "/staff/training/harassment-bullying-response",
@@ -873,12 +877,20 @@ export const navigation = [
     ].sort((a, b) => a.label.localeCompare(b.label)),
   },
   // #endregion
-  // #region Sitemap
+  // #region External Links
   {
-    label: "Sitemap",
-    link: "https://sitemap.nhcarrigan.com",
+    label: "Discord",
+    link: "https://chat.nhcarrigan.com",
     attrs: {
       target: "_blank",
     },
   },
+  {
+    label: "Support Forum",
+    link: "https://support.nhcarrigan.com",
+    attrs: {
+      target: "_blank",
+    },
+  }
+  // #endregion
 ];