Add Netlify and CC-BY-SA badges to footer

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: HeyItsGilbert

static/images/cc-by-sa.png

@@ -84,6 +84,12 @@ <h4 class="font-medium text-white mb-1">{{ .Site.Params.summit.title }}</h4>
                 <a href="/privacy/" class="text-gray-400 hover:text-white transition-colors duration-200">Privacy Policy</a>
                 <a href="/terms/" class="text-gray-400 hover:text-white transition-colors duration-200">Terms of Use</a>
                 <a href="/contact/" class="text-gray-400 hover:text-white transition-colors duration-200">Contact</a>
+                <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank" rel="noopener">
+                    <img src="/images/cc-by-sa.png" alt="Licensed under CC BY-SA 4.0" class="h-6" />
+                </a>
+                <a href="https://www.netlify.com" target="_blank" rel="noopener">
+                    <img src="https://www.netlify.com/assets/badges/netlify-badge-color-accent.svg" alt="Deploys by Netlify" class="h-6" />
+                </a>
             </div>
         </div>
     </div>