Enable secure database connections for production environments

Update `server/db.ts` to configure SSL/TLS for PostgreSQL connections in production, resolving authentication errors related to encryption requirements.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ceced2fc-aa46-458d-ba87-ddd4b7bb1518
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/659922a9-0087-461c-90dd-6d9a58b81d4d/ceced2fc-aa46-458d-ba87-ddd4b7bb1518/flNt5I4

server/db.ts

@@ -17,6 +17,9 @@ export function getDatabase() {
 
     pool = new Pool({
       connectionString: databaseUrl,
+      ssl: process.env.NODE_ENV === 'production' 
+        ? { rejectUnauthorized: false }  // Allow self-signed certificates in production
+        : false,  // No SSL in development
     });
 
     db = drizzle(pool, { schema });