feat: Add a new footer component and update README to detail onboarding, authentication, and runtime configuration features.

Author: ciro-maciel

src/views/components/Footer.js

@@ -0,0 +1,25 @@
+/**
+ * Footer component with RiLiGar branding
+ * Shows open source project attribution
+ * @returns {string} HTML string
+ */
+export const Footer = () => `
+    <footer class="mt-12 pt-8 border-t border-gray-200 text-center">
+        <p class="text-sm text-gray-500">
+            Open source project by 
+            <a href="https://riligar.click/" target="_blank" rel="noopener noreferrer" 
+               class="text-gray-700 hover:text-gray-900 font-medium transition-colors underline underline-offset-2 decoration-gray-300 hover:decoration-gray-600">
+                RiLiGar
+            </a>
+        </p>
+        <p class="text-xs text-gray-400 mt-1">
+            <a href="https://github.com/riligar/elysia-backup" target="_blank" rel="noopener noreferrer"
+               class="hover:text-gray-600 transition-colors inline-flex items-center gap-1">
+                <svg class="w-3.5 h-3.5" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                    <path fill-rule="evenodd" d="M12 2C6.477 2 2 6.484 2 12.017c0 4.425 2.865 8.18 6.839 9.504.5.092.682-.217.682-.483 0-.237-.008-.868-.013-1.703-2.782.605-3.369-1.343-3.369-1.343-.454-1.158-1.11-1.466-1.11-1.466-.908-.62.069-.608.069-.608 1.003.07 1.531 1.032 1.531 1.032.892 1.53 2.341 1.088 2.91.832.092-.647.35-1.088.636-1.338-2.22-.253-4.555-1.113-4.555-4.951 0-1.093.39-1.988 1.029-2.688-.103-.253-.446-1.272.098-2.65 0 0 .84-.27 2.75 1.026A9.564 9.564 0 0112 6.844c.85.004 1.705.115 2.504.337 1.909-1.296 2.747-1.027 2.747-1.027.546 1.379.202 2.398.1 2.651.64.7 1.028 1.595 1.028 2.688 0 3.848-2.339 4.695-4.566 4.943.359.309.678.92.678 1.855 0 1.338-.012 2.419-.012 2.747 0 .268.18.58.688.482A10.019 10.019 0 0022 12.017C22 6.484 17.522 2 12 2z" clip-rule="evenodd" />
+                </svg>
+                View on GitHub
+            </a>
+        </p>
+    </footer>
+`