feature: Organizations link and invitation flow implemented minimally.

frontend/src/app/(public)/accept-invite/page.tsx

@@ -78,7 +78,7 @@ function AcceptInviteContent() {
         name: name.trim(),
         password,
       });
-      setSuccess('Invitation accepted. Redirecting to login...');
+      setSuccess('Invitation Accepted. Redirecting to login...');
       setTimeout(() => {
         router.replace('/login');
       }, 1000);