Add support for Waveshare 12.48inch e-Paper Module

**Describe the problem you have/What new integration you would like**
Add support for[ Waveshare 12.48inch e-ink display](https://www.waveshare.com/12.48inch-e-Paper-Module-B.htm). Considering its size, this display kit is available for affordable price

**Please describe your use case for this integration and alternatives you've tried:**
Use case is clear. Display is suitable for many esphome applications.

**Additional context**
According to displays wiki
https://www.waveshare.com/wiki/12.48inch_e-Paper_Module_(B)
There are already available arduino/esp32 libraries and wiring scheme of module.
As an alternative, display can be controlled by specific [esp32 board](https://www.waveshare.com/wiki/E-Paper_ESP32_Driver_Board), which may run as HTML server and display can be controlled via API calls.

Start with the linked Waveshare 12.48inch e-Paper Module wiki page and its wiring scheme, then review the existing Arduino/ESP32 libraries mentioned in the issue. Done means the display is supported for ESPHome applications and its integration works with the documented hardware.

Written by the indexing model from the issue text.