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/[locale]/page.tsx

@@ -49,6 +49,15 @@ export default function Home() {
     verse: string
     reference: string
   } | null>(null)
+  const [stats] = useState<{
+    bibleVersions: number
+    verses: number
+    books: number
+  }>({
+    bibleVersions: 1416,
+    verses: 17000000,
+    books: 66
+  })
 
   // Fetch daily verse
   useEffect(() => {
@@ -72,6 +81,7 @@ export default function Home() {
     fetchDailyVerse()
   }, [locale, t])
 
+
   // Simulate live user counter
   useEffect(() => {
     const interval = setInterval(() => {
@@ -564,13 +574,13 @@ export default function Home() {
           <Box sx={{ display: 'flex', gap: 4, flexWrap: 'wrap', textAlign: 'center', justifyContent: 'center' }}>
             <Box sx={{ flex: { xs: '1 1 100%', sm: '1 1 calc(33.33% - 24px)' } }}>
               <Typography variant="h3" color="primary.main" gutterBottom>
-                66
+                {stats.bibleVersions.toLocaleString()}
               </Typography>
-              <Typography variant="h6">{t('stats.books')}</Typography>
+              <Typography variant="h6">{t('stats.bibleVersions')}</Typography>
             </Box>
             <Box sx={{ flex: { xs: '1 1 100%', sm: '1 1 calc(33.33% - 24px)' } }}>
               <Typography variant="h3" color="secondary.main" gutterBottom>
-                31,000+
+                17M+
               </Typography>
               <Typography variant="h6">{t('stats.verses')}</Typography>
             </Box>