WIP: bring participo back - consistent use of bootstrap - formatting -

phpstan level 0 error free - fixes for kyu subpage - move mams into
participo framework - remove legacy `lib/db.php` usage - add attributer
admin function - add newsposter - fixing apiKey creation

homepage/participo/lib/participoLib/eventPage.php

@@ -24,7 +24,7 @@ class EventPage
     public function getHtmlNotFound()
     {
         return '<div>Der Event "' .
-            $this->id .
+            $this->eventId .
             '" existiert leider nicht!</div>' .
             "<h2>Anstehende Termine</h2>" .
             eventPlaner::getHtmlEventTable(eventPlaner::getComingWkEvents());
@@ -55,9 +55,7 @@ class EventPage
         if ($this->event()->shiai()) {
             $html .=
                 "<dt>Wettkampfdetails</dt><dd>" .
-                $this->event()
-                    ->shiai()
-                    ->getHtmlDetails() .
+                $this->event()->shiai()->getHtmlDetails() .
                 "</dd>";
         }
         $html .=
@@ -73,9 +71,7 @@ class EventPage
         $html .= "<div>";
 
         foreach (
-            $this->event()
-                ->shiai()
-                ->ageGroups()
+            $this->event()->shiai()->ageGroups()
             as $ageClass => $starterList
         ) {
             $html .=
@@ -91,7 +87,7 @@ class EventPage
                 if (
                     !array_key_exists(
                         $starter->getId(),
-                        $this->event()->getStarter()
+                        $this->event()->getStarter(),
                     )
                 ) {
                     $html .=
@@ -101,6 +97,8 @@ class EventPage
                         $starter->getFirstname() .
                         " - " .
                         $starter->yearOfBirth() .
+                        " " .
+                        $this->event()->getHtmlAddStarterForm($starter) .
                         '
 				</li>';
                 }