* add support for lilygo t-panel
add support for lilygo t-panel (the rs485 version with an ESP32-S3 and ESP32-G2)
https://www.lilygo.cc/products/t-panel-s3
* refactor
* moved gfx library to lib2 folder and removed examples
* removed lib2\Arduino_GFX-1.3.7 and switch to moononournation/GFX Library for Arduino@^1.4.9
* added lilygo lib2\Arduino_GFX-1.3.7 back and removed all unused files. went from 166 files to 15 files!
- added webinterface for tag flasher
- added tcp transport for communicating with tag flasher (OTG USB also still works)
- added content 'timestamp', makes use of preloaded images and buttons on the 2.9" M3
- webinterface is now aware of C6 and flasher capabilities
- AP can run without ieee801.15.4 radio (i.e. flasher only) by shorting FLASHER_AP_TXD and FLASHER_AP_RXD
- added tcp transport option to OEPL-Flasher.py (serial also still works)
- added new environment OpenEPaperLink_Mini_AP_v4
- lots of finetuning and bug fixes
- Wifi connection progress is now visible on the TFT
- passthrough serial logging from the C6 to the S3 terminal for easier debugging
- no checks on force_flash and APtag-firmware version when C6 is used
