working through ncurses_ebook_source from c-for-dummies.com
- initscr() - initialize screen
 - stdscr - global var for the screen
 - box() - draw a rectangle
 - refresh() - update screen
 - getch() - read a single char / mouse click
 - endwin(44 D 110100 ⠙ (braille pattern dots-145) ⠙ d44 D 110100 ⠙ (braille pattern dots-145) ⠙ d) - clean up