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/i18n/locales/en/home.json

@@ -56,6 +56,7 @@
             "welcome": "Welcome to yourPart",
             "description": "yourPart is a social network where you can make friends and meet new people. You can share your images and control who sees what. You can also exchange messages and chat – in large public rooms or in the small random chat. And, of course, you can cam as well.",
             "introHtml": "YourPart is a growing platform combining community features, real‑time chat, forums, a social network with photo gallery, and the city‑builder game <em>Falukant</em>. The site is currently in beta – we continuously expand features, content and stability.",
+            "storyTeaser": "YourPart combines an <strong>online community</strong>, real‑time chat, forums, blogs, a <strong>free vocabulary trainer</strong> and <strong>browser games</strong>—including the medieval economy builder <em>Falukant</em>—in one place, <strong>no download required</strong>. Focus: social exchange, depth and a growing product world.",
             "expected": {
                 "title": "What to expect",
                 "items": {

frontend/src/i18n/locales/en/seo.json

@@ -2,19 +2,19 @@
     "seo": {
         "default": {
             "title": "YourPart - Community, chat, forum, vocabulary trainer, Falukant and minigames",
-            "description": "YourPart brings together community, chat, forums, blogs, a vocabulary trainer, the browser builder game Falukant and minigames in one platform.",
-            "keywords": "YourPart, community, chat, forum, blog, vocabulary trainer, Falukant, minigames, free, private, privacy"
+            "description": "Free online community with forums, chat, blogs and browser games: vocabulary trainer, minigames and the medieval builder game Falukant—no download, all in one platform.",
+            "keywords": "YourPart, online community, forum, chat, blog, vocabulary trainer, browser game, builder game, Falukant, minigames, free, no download, private, privacy"
         },
         "home": {
-            "title": "YourPart - Community, chat, forum, blogs, vocabulary trainer and games",
-            "description": "YourPart is a community platform with chat, forums, blogs, a vocabulary trainer, the browser builder game Falukant and minigames.",
-            "keywords": "YourPart, community, chat, forum, blogs, vocabulary trainer, browser game, Falukant, minigames, free, private",
-            "jsonLdDescription": "Community platform with chat, forums, blogs, vocabulary trainer, Falukant and browser minigames."
+            "title": "YourPart - Online community, forum, chat, vocabulary trainer & browser games",
+            "description": "Community platform with forums, real-time chat, blogs, a free vocabulary trainer and browser games: medieval economy game Falukant and minigames—play free in your browser.",
+            "keywords": "YourPart, online community, social network, forum, chat, blogs, vocabulary trainer, browser game, Falukant, minigames, free, no download, private",
+            "jsonLdDescription": "Online community with forums, chat, blogs, vocabulary trainer, Falukant and browser minigames—no install required."
         },
         "falukant": {
-            "title": "Falukant - Medieval browser builder game on YourPart",
-            "description": "Falukant is the medieval browser builder game on YourPart with trade, politics, family, education and character progression.",
-            "keywords": "Falukant, browser game, builder game, medieval game, economy game, politics game, YourPart, free",
+            "title": "Falukant - Free medieval browser game (economy & politics)",
+            "description": "Falukant: medieval browser builder game with trade, production, politics, family and character progression—play this economy sim online with no install on YourPart.",
+            "keywords": "Falukant, browser game, builder game, medieval game, economy game, economy sim, politics game, free, no download, YourPart",
             "jsonLdDescription": "Medieval browser builder game with trade, politics, family and character progression.",
             "jsonLdName": "Falukant"
         },
@@ -26,9 +26,9 @@
             "jsonLdCollectionName": "YourPart minigames"
         },
         "vocab": {
-            "title": "Vocabulary trainer on YourPart - learn languages online",
-            "description": "The YourPart vocabulary trainer helps you learn languages with interactive lessons, courses and exercises.",
-            "keywords": "vocabulary trainer, learn languages, online learning, language courses, exercises, YourPart, free",
+            "title": "Free online vocabulary trainer - learn languages in the browser | YourPart",
+            "description": "Learn languages online with an interactive vocabulary trainer: courses, lessons and exercises in the browser on YourPart—no app download.",
+            "keywords": "vocabulary trainer, learn languages online, language courses, vocabulary practice, free, browser, YourPart",
             "jsonLdDescription": "Interactive vocabulary trainer with courses, lessons and exercises for language learning.",
             "jsonLdName": "YourPart vocabulary trainer"
         },