Username Bugfix

anwendung/src/components/Login.jsx

@@ -52,7 +52,7 @@ export default function Login() {
                 <div className={"placement"}>
                     <br/>
                     <p className={"font-kinda-big"}>Username</p>
-                    <input type="text" value={inputUserName} onChange={e => setInputUserName(e.target.value)}
+                    <input type="text" value={inputUserName} onChange={e => setInputUserName(e.target.value.toLowerCase())}
                            placeholder={hint} className="input input-bordered input-sm w-full max-w-xs box-shadow"
                            style={{
                                backgroundColor: backgroundColor