Prepare for 3.2.6 release

library.json

 {
   "name": "ESP8266_SSD1306",
-  "version": "3.2.5",
+  "version": "3.2.6",
   "keywords": "ssd1306, oled, display, i2c",
-  "description": "A I2C display driver for SSD1306 oled displays connected to an ESP8266",
+  "description": "A I2C display driver for SSD1306 oled displays connected to an ESP8266 or ESP32",
   "repository":
   {
     "type": "git",