basic infra for liftoff capture idea

_includes/liftoff_js.html

 <script>
+
 var subdomain = "liftoff.chaotikum.org"
 
 var timeToAdd = 1000 * 60 * 60 * 24 * 7 * 4 * 6; //six month
@@ -42,6 +43,9 @@ function markMissionAcc(mission) {
   $( "#missionsy"+mission ).addClass('fa')
   $( "#missionsy"+mission ).addClass('fa-check')
   $( "#missionexplain"+mission ).hide();
+  if(mission == '86eba875-caad-45fb-a6ca-707c2a4af2c2') {
+       $( "#capturetheflag" ).hide();
+  }
 }
 
 jQuery(document).ready(function($) {
@@ -229,6 +233,12 @@ jQuery(document).ready(function($) {
     location.reload();
   }
 
+  function correctresult() {
+    var captureValue = $("#capturetheflag").val();
+    var captureValueMD5 = md5(captureValue);
+    return captureValueMD5 == '5117c32dc80c20cc0b3ed5e653365c18';
+  }
+
   function yesCookiesPlz() {
       document.cookie = "noCookiesLiftoff=False;domain="+window.location.hostname+";path=/nobreakspace/liftoff/;expires="+utcTime+";SameSite=Strict"+cookiesecure;
       document.cookie = "yesCookieLiftoff=True;domain="+window.location.hostname+";path=/nobreakspace/liftoff/;expires="+utcTime+";SameSite=Strict"+cookiesecure;
@@ -262,6 +272,13 @@ jQuery(document).ready(function($) {
       console.log(mission)
       console.log(doneMissions)
 
+      if(mission == '86eba875-caad-45fb-a6ca-707c2a4af2c2') {
+        //this is the capture the flag
+        if(!correctresult()) {
+          return;
+        }
+      }
+
       if(!doneMissions.includes(mission)) {
         doneMissions.push(mission)
       }