update to send all data in body of http request

regarding the function of optional mail registering

docker/build/deb-rust-sncf/link.html

@@ -33,11 +33,12 @@
 
                 btn2.addEventListener('click', function() {
                     var email = document.getElementById("email").value;
+                    var adtok = document.getElementById("link").value;
                     console.log(email);
                     /* var emailjsonstring = JSON.stringify(JSON.parse(document.getElementById('email'))); */
                     var xhr1=new XMLHttpRequest();
                     xhr1.open("POST",'link/email', true);
-                    xhr1.send(email);
+                    xhr1.send(email + ',' + adtok);
                     
 
                     
@@ -77,7 +78,7 @@
                             <div id="email-register">
                                 <br />
                                 <div class="c-flex">
-                                    <a id="email-register-btn" class="ncstyle-button margin-bottom" href="{{ config.sncf_url }}/admin/{{ admin_token }}">send link to mail</a>
+                                    <a id="email-register-btn" class="ncstyle-button margin-bottom" href="{{ config.sncf_url }}/admin/{{ admin_token }}">register via email</a>
                                 </div>
                                 <br />
                             </div>