Add HeaderAdBanner component to ChatView, FeedbackView, and PartnersView

- Integrated HeaderAdBanner into ChatView.vue, FeedbackView.vue, and PartnersView.vue to enhance advertising capabilities.
- Updated PartnersView.vue to include a new app branding structure for improved visual hierarchy.

These changes collectively improve the user interface and advertising integration across multiple views.

client/src/views/ChatView.vue

@@ -8,6 +8,7 @@
           <h1>Chat</h1>
         </div>
       </div>
+      <HeaderAdBanner />
       <div v-if="chatStore.isLoggedIn" class="header-status">
         <span class="header-status-chip">{{ chatStore.userName }}</span>
         <span v-if="chatStore.isoCountryCode" class="header-status-chip">{{ chatStore.isoCountryCode }}</span>
@@ -89,6 +90,7 @@ import SearchView from '../components/SearchView.vue';
 import InboxView from '../components/InboxView.vue';
 import HistoryView from '../components/HistoryView.vue';
 import ImprintContainer from '../components/ImprintContainer.vue';
+import HeaderAdBanner from '../components/HeaderAdBanner.vue';
 
 const chatStore = useChatStore();
 

client/src/views/FeedbackView.vue

@@ -8,6 +8,7 @@
           <h1>Feedback</h1>
         </div>
       </div>
+      <HeaderAdBanner />
     </header>
 
     <FeedbackPanel />
@@ -18,5 +19,6 @@
 
 <script setup>
 import FeedbackPanel from '../components/FeedbackPanel.vue';
+import HeaderAdBanner from '../components/HeaderAdBanner.vue';
 import ImprintContainer from '../components/ImprintContainer.vue';
 </script>

client/src/views/PartnersView.vue

@@ -1,7 +1,14 @@
 <template>
   <div class="chat-container">
     <header class="header">
-      <h1>SingleChat</h1>
+      <div class="app-brand">
+        <span class="app-brand-mark">S</span>
+        <div class="app-brand-copy">
+          <span class="app-brand-eyebrow">SingleChat</span>
+          <h1>Partner</h1>
+        </div>
+      </div>
+      <HeaderAdBanner />
     </header>
     
     <MenuBar />
@@ -36,6 +43,7 @@ import axios from 'axios';
 import { useRouter } from 'vue-router';
 import MenuBar from '../components/MenuBar.vue';
 import UserList from '../components/UserList.vue';
+import HeaderAdBanner from '../components/HeaderAdBanner.vue';
 import ImprintContainer from '../components/ImprintContainer.vue';
 import { useChatStore } from '../stores/chat';
 
@@ -52,4 +60,3 @@ onMounted(async () => {
   }
 });
 </script>
-