Release v0.14.0

This release is a major roll-up of many incremental enhancements.
Note that the Builder is separately downloaded from the GUIslice-Builder repo

Changes since 0.13.0.3:

• Add: support for Teensy 4
• Add: support for xlatb/RA8876
• Add: support for sumotoy/RA8875
• Add: support for GEVINO_TFT (RA8876)
• Add: support for FT5206 touch controller
• Add: support for lexus2k/lcdgfx display driver
• Add: support for mcufriend ID forcing #186
• Add: support for RGB/BGR color mode selection
• Add: BLIT support for load BMP from RAM
• Add: JPEG / BMP images from SPIFFS
• Add: XSpinner button config #199
• Add: extra APIs for ElemCreateTxt_P_R
• Add: extra APIs for XKeyPad
• Change: optimized redraw (checkbox, radio button)
• Change: optimized redraw (multiple pages)
• Fix: XRingGauge issues #171, #172
• Fix: XTextbox background #202
• Fix: SD include error #182
• Fix: documentation updates
• Fix: Nano IOT 33 #211
• Fix: redraw for FLASH-based elements
• Fix: 4-wire touch for Due #216
• Fix: Waveshare_ILI9486 (font #173, rotation)