Added a simple cover page for E-book.
Added button to change pages and text wrap
Long text are split into many pages and pages can be changed using a button. Page numbers are also added at the bottom right hand corner. The texts are being wrapped according to the size of the E-paper display so that sentence or word will not be cut off. Users can choose and set their preferred font size in the ino. file. Font Size choices: 16, 20, 24. Orientation of the E-book can also be chosen by the user. Orientation choices: 0o, 90o, 180o, 270o . When the last page is reached, it will return to page 1 after the button is pressed again.
Display text with font size 16