fix: update comments in .env.prod.hbs for consistency and clarity

Author: ivictbor

adminforth/commands/createApp/templates/.env.prod.hbs

@@ -1,5 +1,5 @@
-{{!-- Add only non-sensitive prod environment variables here so deployed applications can use them --}}
-{{!-- Deliver sensitive prod environment variables via natural process environments from your deployment platform --}}
+{{!-- Add only non-sensitive production environment variables here so deployed applications can use them --}}
+{{!-- Deliver sensitive production environment variables via natural process environments from your deployment platform --}}
 
 NODE_ENV=production
 DATABASE_URL={{dbUrlProd}}