chore: add demo i18n content

Author: maxprilutskiy

i18n/en.json

@@ -6,5 +6,6 @@
   "why-not-use-human-translators": "Human translators block project delivery, and let's be honest – hate translating labels of the buttons in your app. Replexica is fast, affordable, and designed for developers and product teams.",
   "how-fast-can-i-translate-my-product": "Replexica localizes products into multiple languages in minutes, so teams can ship multilingual products x100 faster.",
   "is-replexica-expensive": "Teams of all sizes can afford Replexica: pricing is based on how much you use the platform, and varies from several hundred to several thousand dollars per year.",
-  "how-soon-can-i-get-started": "Your team can go live with Replexica in under an hour. Just sign up, and book a call with our team."
+  "how-soon-can-i-get-started": "Your team can go live with Replexica in under an hour. Just sign up, and book a call with our team.",
+  "how-accurate-is-ai-localization-with-replexica": "Replexica's AI localization engine achieves high accuracy without human intervention. It uses context-aware translations powered by cutting-edge LLMs, resulting in natural-sounding, authentic translations across multiple languages. Teams can still override outputs if needed."
 }