UTF-8 (de) geht :D

v2_adminpanel/templates/index.html

@@ -19,15 +19,15 @@
 <div class="container py-5">
     <h2 class="mb-4">Neue Lizenz erstellen</h2>
 
-    <form method="post" action="/">
+    <form method="post" action="/" accept-charset="UTF-8">
         <div class="row g-3">
             <div class="col-md-6">
                 <label for="customerName" class="form-label">Kundenname</label>
-                <input type="text" class="form-control" id="customerName" name="customer_name" required>
+                <input type="text" class="form-control" id="customerName" name="customer_name" accept-charset="UTF-8" required>
             </div>
             <div class="col-md-6">
                 <label for="email" class="form-label">E-Mail</label>
-                <input type="email" class="form-control" id="email" name="email">
+                <input type="email" class="form-control" id="email" name="email" accept-charset="UTF-8">
             </div>
             <div class="col-md-4">
                 <label for="licenseKey" class="form-label">Lizenzschlüssel</label>