game added

- random image, text, buttons and touch events generated by the app
- 3 level per stage (easy medium hard)

NEED TO FIX: need to make a NOT CLICKABLE and CLICKABLE function ( if
the user press a button before the app simulate a touch event, the app
crashs)
stage variable fixed

stage variable fixed
tryAgain button works properly

setEnable and disable fonction are created and implemented.
mainButton fixed

sometimes the mainButton causes crash, it's fixed
clickable/not clickable function added

clickable/not clickable function added
code refactored
rules has changed

the text is more user friendly
button texts added

difficulty increased
new texts added