Milestone 1

The first milestone implements the most important game logic. The game logic is functional but without animations or round timers.

Requirements
● The game starts immediately after the app opens.
● A user can choose if the Spanish word is the correct or incorrect translation.
● After the user makes an attempt, the game displays the next English / Spanish
word pair.
● The probability for a correct word pair to appear should be 25%, even for a
small word list.
● A counter displays the correct and incorrect attempts of the user.
● The game has no end scenario.
● The words should be loaded from the file system.
● The provided word list json file must not be modified.