Shorten onbaording (#5198)

Also added `enableDesktopInstallSlide` flag in `settings.yml` to hide
the download for desktop page in the onboarding.

---------

Co-authored-by: James Brunton <[email protected]>

frontend/src/core/components/shared/Footer.tsx

@@ -95,6 +95,22 @@ export default function Footer({
           >
             {t('legal.terms', 'Terms and Conditions')}
           </a>
+          <a
+            className="footer-link px-3"
+            target="_blank"
+            rel="noopener noreferrer"
+            href="https://discord.gg/Cn8pWhQRxZ"
+          >
+            {t('footer.discord', 'Discord')}
+          </a>
+          <a
+            className="footer-link px-3"
+            target="_blank"
+            rel="noopener noreferrer"
+            href="https://github.com/Stirling-Tools/Stirling-PDF"
+          >
+            {t('footer.issues', 'GitHub')}
+          </a>
           <a
             className="footer-link px-3"
             target="_blank"