Preparation for release

library.json

 {
   "name": "ESP8266_SSD1306",
-  "version": "3.2.3",
+  "version": "3.2.4",
   "keywords": "ssd1306, oled, display, i2c",
   "description": "A I2C display driver for SSD1306 oled displays connected to an ESP8266",
   "repository":

library.properties

 name=ESP8266 Oled Driver for SSD1306 display
-version=3.2.3
+version=3.2.4
 author=Daniel Eichhorn, Fabrice Weinberg
 maintainer=Daniel Eichhorn <squix78@gmail.com>
 sentence=A I2C display driver for SSD1306 oled displays connected to an ESP8266