Fix the sign up icon (#104)

Author: samikshakhadka

templates/portal/index.html

@@ -74,7 +74,9 @@ <h1 class="text-body-emphasis">
             <div class="d-inline-flex gap-2 mb-5">
                 <a class="d-inline-flex align-items-center btn btn-primary btn-lg px-4 rounded-pill"
                    href="{% url 'account_signup' %}"
-                   role="button">Sign up</a>
+                   role="button">Sign up
+                    <i class="fa-solid fa-arrow-right ms-2"></i>
+                </a>
                 <a class="btn btn-outline-secondary btn-lg px-4 rounded-pill"
                    href="{% url 'account_login' %}"
                    role="button">Login</a>