Add sitemap and robots.txt, update home page stats to static values, and fix prayer language detection

- Create sitemap.xml with internationalized routes and proper SEO attributes
- Create robots.txt with appropriate crawling rules for public/private content
- Update home page stats to show static values (1,416 Bible versions, 17M+ verses)
- Remove live stats API calls to eliminate loading delays
- Add /api/stats endpoint for potential future use
- Fix Romanian prayers incorrectly tagged as English in database
- Add missing AZURE_OPENAI_DEPLOYMENT to .env.example
- Update translation keys for Bible versions stat
- Add sample English prayer requests to populate prayer wall

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/api/stats/route.ts

@@ -0,0 +1,39 @@
+import { NextResponse } from 'next/server';
+import { prisma } from '@/lib/db';
+
+export const runtime = 'nodejs';
+
+export async function GET() {
+  try {
+    // Get bible statistics
+    const [
+      totalBibleVersions,
+      totalVerses,
+      totalBooks
+    ] = await Promise.all([
+      // Count total Bible versions
+      prisma.bibleVersion.count(),
+
+      // Count total verses across all versions
+      prisma.bibleVerse.count(),
+
+      // Count unique books (66 biblical books)
+      prisma.bibleBook.groupBy({
+        by: ['bookKey'],
+      }).then(result => result.length)
+    ]);
+
+    return NextResponse.json({
+      bibleVersions: totalBibleVersions,
+      verses: totalVerses,
+      books: totalBooks
+    });
+
+  } catch (error) {
+    console.error('Stats API error:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch statistics' },
+      { status: 500 }
+    );
+  }
+}