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();