Update disclaimer and footer, add link to git repo

src/App.tsx

@@ -10,6 +10,7 @@
  */
 
 import React from 'react';
+import { GitBranch } from 'lucide-react';
 
 // Components
 import DaySchedule from './components/day-schedule';
@@ -18,6 +19,7 @@ import Settings from './components/settings';
 import LanguageSelector from './components/language-selector';
 import DisclaimerModal from './components/disclaimer-modal';
 import { Button } from './components/ui/button';
+import { PROJECT_REPOSITORY_URL } from './constants/defaults';
 
 // Custom Hooks
 import { useAppState } from './hooks/useAppState';
@@ -185,14 +187,24 @@ const MedPlanAssistant = () => {
               <h3 className="font-semibold mb-2 text-foreground">{t('importantNote')}</h3>
               <p>{t('disclaimer')}</p>
             </div>
-            <Button
-              variant="outline"
-              size="sm"
-              onClick={handleOpenDisclaimer}
-              className="w-full sm:w-auto"
-            >
-              {t('disclaimerModalFooterLink')}
-            </Button>
+            <div className="flex items-center justify-between">
+              <Button
+                variant="outline"
+                size="sm"
+                onClick={handleOpenDisclaimer}
+              >
+                {t('disclaimerModalFooterLink')}
+              </Button>
+              <a
+                href={PROJECT_REPOSITORY_URL}
+                target="_blank"
+                rel="noopener noreferrer"
+                className="inline-flex items-center justify-center w-8 h-8 rounded-md hover:bg-accent text-foreground hover:text-accent-foreground transition-colors"
+                title={t('footerProjectRepo')}
+              >
+                <GitBranch size={18} />
+              </a>
+            </div>
           </div>
         </footer>
       </div>