Add WebSocket Subprotocol support per @terjeio suggestion
Change ESP800 report to use FlashFileSystem instead of FileSystem per @terjeio suggestion for consistency
Add Host Path support for files hosted in subdirectory (WIP)
Add createPath flag for upload to create full path if does not exists
Update embedded page to support new ESP800 flags
Update WebSocket library to avoid warning
Update Features.md
Bump platformIO to 5.1.0
Bumb version to 204
### Maintenance page
* Add add tab color for mobile view
* Add spellcheck off / autocorect off in input
* Add disconnect button when authenticate enabled
* Add Invalid user or password message when authentication failed
### Board support
* Add ESP32 S2 support
* Add ESP32 S3 support
* Add ESP32 C3 support
### ESP commands
* Add command 701 to control GCODE streaming
* Remove command 901 as duplicate
* Update command 420 to add more details
* Use text as default output
* All json on all commands for formated output
### Core
* Add benchmak function to check transfer speed (for test only-not production)
* Merge code for ESP3DLib support
* Add better printer display support (M117 / Serial TFT)
* Use ESP32 analogWrite instead of emulated one
### Modules
* Display
* Refactor code
* Remove SPI ILI 9341 / 9488 support as not suitable
* Add ST7789 support (135x240 / 240x240)
* Filesystem
* Bug fixes due to esp core updates
* Better SD sharing mecanism
* Better global FS management
* FTP
* Add SD sharing support
* Better global FS management
* GCODE Host
* Add basic support for macro files
* Add ESP command support
* Use not blocking method to stream commands / handle response
* Notifications
* Add IFTTT notification service
* Add WebUI notification
* Add ESP3D display notification
* WebDav
* Add SD sharing support
* Add bug fix from https://github.com/d-a-v/ESPWebDAV
* Better global FS management
* Websocket
* Add function to handle zombies connections
* WiFi
* Fix connection to AP sometime fail
* Fix low signal not diplayed in ESP420 even connected
* Add AP Setup mode
### Libraries
* Update SDFat-2.0.6 to 2.1.2
* Update ESP32SSDP 1.1.1 to 1.2.0
* Update TFT_eSPI-1.4.11 to 2.4.61
* Update arduinoWebSockets-2.3.5 to 2.3.6
* Update esp8266-oled-ssd1306-4.0.0 to 4.3.0
* Remove lvgl support
### Tools
* Add I2C scanner script
* Add python script to simulate/stress printer serial communication
### PlatformIO
* Use latest 4.4.0 Espressif32 release (ESP32-arduino core 2.0.3)
* Add fix for Flash more than 4MB
* Add Esp32 S2/S3/C3 env
* Add ESP32-ST7789 / esp32-TTGO_T_Display env
Add base for ESP32-S2 in platformIO but not working yet - ok for arduino
Remove littleFS as external lib - now part of 2.0
Add esp32 detection in [ESP420] report
Add Time Support (server + manual setup), only used for ESP32 FS currently as ESP8266 SPIFFS does not support Time, need to wait for LittleFS may be ?
Add DHT support
Add Pin reset support
Add Base for Display
Add libraries for new supported features
Add /config handle as shortcut for [ESP420]plain to be used in embedded page
Code refactoring for defines, use less Define as switches but more define as values for switches
Clean warnings
Lot of small bug fixes
Add docs for [ESPXXX] commands
