feat: Add prayer chains, social sharing, and testimony wall

- Add PrayerChain component for visualizing linked prayers
- Add SharePrayer component with social media integration (Twitter, Facebook, WhatsApp, copy link)
- Create /testimonies page for public answered prayer stories
- Update Firestore rules for public testimony access
- Enhance Organization tab with prayer chains
- Add Testimonies navigation tab
- Fix Firebase Admin SDK integration for server-side operations
- Improve email system with proper server-side authentication
- Update prayer form to handle optional fields correctly
- Deploy updated Firestore security rules

next.config.ts

@@ -9,8 +9,8 @@ const nextConfig: NextConfig = {
   /* config options here */
 };
 
-const config = withPWA({
+const config = process.env.NODE_ENV === 'production' ? withPWA({
   dest: 'public',
-})(nextConfig);
+})(nextConfig) : nextConfig;
 
 export default config;