Add Discord link to homepage and improve mobile nav

- Add Discord button to navigation bar and footer
- Download and add official Discord icon
- Hide version badge in mobile view for cleaner header

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: sinelaw

homepage/index.html

@@ -767,6 +767,10 @@
                 font-size: 0.8rem;
             }
 
+            #version-badge {
+                display: none;
+            }
+
             .footer-links {
                 flex-wrap: wrap;
                 gap: 16px 24px;
@@ -898,6 +902,10 @@
                 <a href="#install">Install</a>
                 <a href="docs/">Docs</a>
                 <a href="https://github.com/sinelaw/fresh/blob/master/CHANGELOG.md" target="_blank">Changelog</a>
+                <a href="https://discord.gg/qUutBj9t" target="_blank" class="btn-github">
+                    <img src="public/discord-icon.svg" alt="Discord" width="16" height="16">
+                    Discord
+                </a>
                 <a href="https://github.com/sinelaw/fresh" target="_blank" class="btn-github">
                     <img src="public/github-icon.svg" alt="GitHub" width="16" height="16">
                     GitHub
@@ -1218,6 +1226,7 @@ <h2>What People Are Saying</h2>
     <footer>
         <div class="footer-links">
             <a href="https://github.com/sinelaw/fresh" target="_blank">GitHub</a>
+            <a href="https://discord.gg/qUutBj9t" target="_blank">Discord</a>
             <a href="docs/">Documentation</a>
             <a href="https://github.com/sinelaw/fresh/releases" target="_blank">Releases</a>
             <a href="https://github.com/sinelaw/fresh/blob/master/CHANGELOG.md" target="_blank">Changelog</a>