Add 16 bit parallel for RP2040 processor

Correct legacy comments
Add ESP32 S3 parallel setup 70d
Add setups 105-107 for RP2040 with 16 bit display
Add file conversion notes to PNG array example

library.json

@@ -1,6 +1,6 @@
 {
   "name": "TFT_eSPI",
-  "version": "2.4.61",
+  "version": "2.4.70",
   "keywords": "Arduino, tft, display, ttgo, LilyPi, WT32-SC01, ePaper, display, Pico, RP2040 Nano Connect, RP2040, STM32, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9481, ILI9486, ILI9488, ST7789, ST7796, RM68140, SSD1351, SSD1963, ILI9225, HX8357D, GC9A01, R61581",
   "description": "A TFT and ePaper SPI graphics library with optimisation for Raspberry Pi Pico, RP2040, ESP8266, ESP32 and STM32",
   "repository":