README: a live-demo badge in the shield row

README.md

@@ -5,6 +5,7 @@
 [![GitHub stars](https://img.shields.io/github/stars/Matysh/houseplan-card)](https://github.com/Matysh/houseplan-card/stargazers)
 [![CI](https://github.com/Matysh/houseplan-card/actions/workflows/validate.yml/badge.svg)](https://github.com/Matysh/houseplan-card/actions)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE)
+[![Live demo](https://img.shields.io/badge/demo-try_it_live-00c853?logo=homeassistant&logoColor=white)](https://demo.houseplan.tech)
 [![Telegram chat](https://img.shields.io/badge/Telegram-chat-2CA5E0?logo=telegram&logoColor=white)](https://t.me/ha_houseplan)
 
 **Turn Home Assistant into a live, interactive map of your home.** Upload or draw

README.ru.md

@@ -3,6 +3,7 @@
 [![HACS Custom](https://img.shields.io/badge/HACS-Custom-41BDF5.svg)](https://github.com/hacs/integration)
 [![GitHub release](https://img.shields.io/github/v/release/Matysh/houseplan-card)](https://github.com/Matysh/houseplan-card/releases)
 [![GitHub stars](https://img.shields.io/github/stars/Matysh/houseplan-card)](https://github.com/Matysh/houseplan-card/stargazers)
+[![Live demo](https://img.shields.io/badge/демо-попробовать-00c853?logo=homeassistant&logoColor=white)](https://demo.houseplan.tech)
 [![Telegram chat](https://img.shields.io/badge/Telegram-чат-2CA5E0?logo=telegram&logoColor=white)](https://t.me/ha_houseplan)
 
 **Превратите Home Assistant в живую интерактивную карту дома.** Загрузите или