Update home assistant integration to support ESPHome

[JayNewstrom]

I have ESPHome Bluetooth Proxies in ideal locations connected via ethernet, throughout my house. I'd like to use them for my BLE ESLs.

Describe the solution you'd like Update the home assistant integration to not need an openepaperlink AP.

I think the existing code from BLE should be able to be ported to python/homeassistant.

• https://github.com/OpenEPaperLink/OpenEPaperLink/blob/master/ESP32_AP-Flasher/src/ble_filter.cpp
• https://github.com/OpenEPaperLink/OpenEPaperLink/blob/master/ESP32_AP-Flasher/src/ble_writer.cpp

Describe alternatives you've considered The main alternative is just using another ESP32S3 running the AP code for handling the BLE messages.

Additional context