Update interface text to be displayed in German

Translate Slovenian text to German across various components, pages, and API error messages, including video cards, modals, live page error handling, and AI service responses.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 401e2ec0-e00d-4f10-9d0e-60f3d479f9a5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 1f3f88aa-7796-4167-865f-faff8fe770e1
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/60d372ff-2c10-46c7-b01b-10c3435136b0/401e2ec0-e00d-4f10-9d0e-60f3d479f9a5/g0TFDck

server/index.ts

@@ -195,7 +195,7 @@ app.use((req, res, next) => {
     <meta name="twitter:player:height" content="630">
     <meta name="twitter:creator" content="@go4video">
     
-    <!-- Strukturirani podatki za Google -->
+    <!-- Structured data for Google -->
     <script type="application/ld+json">
     {
       "@context": "https://schema.org",
@@ -223,12 +223,12 @@ app.use((req, res, next) => {
         
       } catch (error) {
         console.error('Error rendering video page for social bot:', error);
-        // Če se zgodi napaka, nadaljujemo z običajno SPA
+        // If an error occurs, continue with normal SPA
         return next();
       }
     }
     
-    // Za običajne uporabnike nadaljujemo z SPA
+    // For regular users, continue with SPA
     next();
   });