Merge pull request #1 from yassersouri/play-pronunciation-audio-mac

add playing audio capabilities
add pronunciations attr, and fill it with mp3 urls
Add a dependency
Add TUI class for making a simple UI
Require tui
Fix a syntax error & make a method private at the end
Write output using ncurses (fixes #2)
Add TomDoc for CLI class
Avoid using 'class << self' for writing class methods
One-liner attr_reader
Update README.md
Add a hotkey for playing the word pronunciation (fixes #3)
Merge branch 'master' of github.com:s1n4/dephine
Correct a method argument name
added support for j and k keys
Merge pull request #4 from mASOUDd/j-and-k

added support for j and k keys
Update README.md
RESOLVE CONFLICT