Add FAQ guide and contextual help links

frontend/src/views/ProfilePage.tsx

@@ -4,6 +4,7 @@ import { toast } from "sonner";
 import { Button } from "@/components/ui/button";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
+import { HelpLink } from "@/components/HelpLink";
 import { updateCurrentUser } from "../api";
 import type { AuthUser } from "../types";
 
@@ -74,9 +75,12 @@ export function ProfilePage({ currentUser, onUserUpdated }: ProfilePageProps) {
 
       <Card>
         <CardHeader className="p-4">
-          <div className="flex items-center gap-2">
-            <UserCircle className="size-5 text-muted-foreground" />
-            <CardTitle>Accountdaten</CardTitle>
+          <div className="flex items-start justify-between gap-3">
+            <div className="flex items-center gap-2">
+              <UserCircle className="size-5 text-muted-foreground" />
+              <CardTitle>Accountdaten</CardTitle>
+            </div>
+            <HelpLink anchor="profil" label="Hilfe zum Profil" />
           </div>
           <CardDescription>Der Benutzername wird beim Login verwendet. Dein voller Name wird in der App angezeigt.</CardDescription>
         </CardHeader>