Update README.md

Add installation via HACS badge link

README.md

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 ![Bermuda Logo](img/[email protected])
 
+[![Open your Home Assistant instance and open a repository inside the Home Assistant Community Store.](https://my.home-assistant.io/badges/hacs_repository.svg)](https://my.home-assistant.io/redirect/hacs_repository/?owner=agittins&repository=bermuda&category=Bluetooth)
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 # Bermuda BLE Trilateration
 
 - Track bluetooth devices by Area (Room) in [HomeAssistant](https://home-assistant.io/), using [ESPHome](https://esphome.io/) [bluetooth_proxy](https://esphome.io/components/bluetooth_proxy.html) devices.
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 - Some bluetooth BLE devices you want to track. Smart watches, beacon tiles, thermometers etc
 
+- Install Bermuda via HACS: [![Open your Home Assistant instance and open a repository inside the Home Assistant Community Store.](https://my.home-assistant.io/badges/hacs_repository.svg)](https://my.home-assistant.io/redirect/hacs_repository/?owner=agittins&repository=bermuda&category=Bluetooth)
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 ## Documentation and help - the Wiki
 
 See [The Wiki](https://github.com/agittins/bermuda/wiki/) for more info on how it works and how to configure Bermuda for your home.