feat(seo, i18n): update SEO metadata and enhance localization across multiple languages

- Revised SEO titles and descriptions for improved clarity and relevance, emphasizing the platform's features such as community, chat, forums, and browser games.
- Updated localization files for Cebuano, German, English, Spanish, and French to include new translations and enhance existing content, ensuring a consistent user experience across languages.
- Added a new story teaser in the home view to better highlight the platform's offerings without requiring downloads.

frontend/src/views/home/NoLoginView.vue

@@ -11,16 +11,12 @@
                 <section class="actions-panel actions-panel--story surface-card">
                     <div class="panel-intro">
                         <span class="panel-kicker">Dein Einstieg</span>
-                        <h2>{{ $t('home.nologin.welcome') }}</h2>
+                        <h1 class="home-main-headline">{{ $t('home.nologin.welcome') }}</h1>
                         <p>{{ $t('home.nologin.description') }}</p>
                     </div>
 
                     <div class="story-highlight">
-                        <p>
-                            YourPart verbindet Community, Echtzeit-Chat, Foren, Bildergalerie und das Aufbauspiel
-                            <em>Falukant</em> in einer Plattform. Der Fokus liegt auf Austausch, spielerischer Tiefe und
-                            einer wachsenden Produktwelt.
-                        </p>
+                        <p v-html="$t('home.nologin.storyTeaser')" />
                     </div>
 
                     <div class="story-block">
@@ -228,11 +224,19 @@ export default {
     text-align: left;
 }
 
+.actions-panel h1,
 .actions-panel h2,
 .actions-panel h3 {
     width: 100%;
 }
 
+.home-main-headline {
+    font-size: inherit;
+    font-weight: inherit;
+    margin: 0;
+    line-height: inherit;
+}
+
 .panel-kicker {
     display: inline-block;
     margin-bottom: 0.7rem;