feat: add missing green-bordered title lang-content frames to index.html and shop.html

Agent-Logs-Url: https://github.com/DavidKRK/DavidKRK.github.io/sessions/52ab48c3-abad-4a48-b61d-5d60bbfe6b8e

Co-authored-by: DavidKRK <136035295+DavidKRK@users.noreply.github.com>

Author: Copilot

index.html

@@ -60,6 +60,13 @@ <h1 class="main-title">David KRK</h1>
         <button type="button" class="language-btn" data-lang="uk">Ukrainian</button>
       </div>
 
+      <div class="lang-content" data-lang="fr"><h2 class="main-title">Accueil</h2></div>
+      <div class="lang-content" data-lang="en"><h2 class="main-title">Home</h2></div>
+      <div class="lang-content" data-lang="es"><h2 class="main-title">Inicio</h2></div>
+      <div class="lang-content" data-lang="eu"><h2 class="main-title">Hasiera</h2></div>
+      <div class="lang-content" data-lang="ar" dir="rtl"><h2 class="main-title">الرئيسية</h2></div>
+      <div class="lang-content" data-lang="uk"><h2 class="main-title">Головна</h2></div>
+
       <div class="lang-content" data-lang="fr">
         <div class="text-lg">
             <p class="mt-4">Site officiel de David KRK</p>

shop.html

@@ -60,6 +60,13 @@ <h1 class="main-title">David KRK</h1>
         <button type="button" class="language-btn" data-lang="uk">Ukrainian</button>
       </div>
 
+      <div class="lang-content" data-lang="fr"><h2 class="main-title">Boutique</h2></div>
+      <div class="lang-content" data-lang="en"><h2 class="main-title">Shop</h2></div>
+      <div class="lang-content" data-lang="es"><h2 class="main-title">Tienda</h2></div>
+      <div class="lang-content" data-lang="eu"><h2 class="main-title">Denda</h2></div>
+      <div class="lang-content" data-lang="ar" dir="rtl"><h2 class="main-title">المتجر</h2></div>
+      <div class="lang-content" data-lang="uk"><h2 class="main-title">Магазин</h2></div>
+
       <!-- FR -->
       <div class="lang-content" data-lang="fr">
         <div class="text-lg">