Added demo images

Author: squix78

README.md

@@ -25,3 +25,29 @@ The SSD1306Demo is a very comprehensive example demonstrating the most important
 ## Fonts
 
 Fonts are defined in a proprietary but open format. I wrote a  program that converts any TrueType font into this format. Once the code is useful enough I will publish it or make it available as Webapplication (SaaS), where you can make any font you like available to the library.
+
+## Demo
+
+### Frame 1
+![DemoFrame1](https://github.com/squix78/esp8266-oled-ssd1306/raw/master/resources/DemoFrame1.jpg)
+This frame shows three things:
+ * How to draw an xbm image
+ * How to draw a static text which is not moved by the frame transition
+ * The active/inactive frame indicators
+
+### Frame 2
+![DemoFrame2](https://github.com/squix78/esp8266-oled-ssd1306/raw/master/resources/DemoFrame2.jpg)
+
+Currently there are one fontface with three sizes included in the library: Arial 10, 16 and 24. Once the converter is published you will be able to convert any ttf font into the used format.
+
+### Frame 3
+
+![DemoFrame3](https://github.com/squix78/esp8266-oled-ssd1306/raw/master/resources/DemoFrame3.jpg)
+
+This frame demonstrates the text alignment. The coordinates in the frame show relative to which position the texts have been rendered.
+
+### Frame 4
+
+![DemoFrame4](https://github.com/squix78/esp8266-oled-ssd1306/raw/master/resources/DemoFrame4.jpg)
+
+This shows how to use define a maximum width after which the driver automatically wraps a word to the next line. This comes in very handy if you have longer texts to display.