Add libraries, picocalc notes.

libraries/TFT_eSPI/User_Setups/Setup71_ESP32_S2_ST7789.h

@@ -0,0 +1,29 @@
+// Setup for the ESP32 S2 with ST7789 display
+// Note SPI DMA with ESP32 S2 is not currently supported
+#define USER_SETUP_ID 71
+// See SetupX_Template.h for all options available
+
+#define ST7789_DRIVER     // Configure all registers
+
+
+#define TFT_CS   34 //     10 or 34
+#define TFT_MOSI 35 //     11 or 35
+#define TFT_SCLK 37 //     12 or 36
+#define TFT_MISO 36 //     13 or 37
+
+#define TFT_DC   33
+#define TFT_RST  -1
+
+#define LOAD_GLCD
+#define LOAD_FONT2
+#define LOAD_FONT4
+#define LOAD_FONT6
+#define LOAD_FONT7
+#define LOAD_FONT8
+#define LOAD_GFXFF
+
+#define SMOOTH_FONT
+
+#define SPI_FREQUENCY   27000000
+
+#define SPI_TOUCH_FREQUENCY  2500000