Update login.html for facebook login

Author: reachAnushaKondam

accounts/templates/accounts/login.html

@@ -12,6 +12,10 @@
                 <a href="{% url 'social:begin' 'linkedin-oauth2' %}" class="social-login-link" data-tooltip="Login with LinkedIn">
                     Login with Linked<i class="fab fa-linkedin-in social-login-icon"></i>
                 </a>
+                <a href="{% url 'social:begin' 'facebook' %}" class="social-login-link" data-tooltip="Login with Facebook">
+                    Login with <i class="fab fa-facebook-f social-login-icon"></i>acebook
+                </a>
+                
             </div>
             <h2 class="text-center mb-4 text-primary">Login</h2>
             {% if messages %}