Add 'Haskell'

README.md

@@ -25,6 +25,7 @@
 | Git [🔊](http://dict.youdao.com/dictvoice?audio=git&type=1) | ✅ [ɡɪt] | ❌ [dʒɪt; jɪt] |
 | GNU [🔊](http://dict.youdao.com/dictvoice?audio=GNU&type=1) | ✅ [gnu:] | |
 | GUI [🔊](http://dict.youdao.com/dictvoice?audio=GUI&type=1) | ✅ [ˈɡui] | |
+| Haskell [🔊](http://dict.youdao.com/dictvoice?audio=haskell&type=1) | ✅ [ˈhæskəl] | ❌ [hæˈskəl] |
 | height [🔊](http://dict.youdao.com/dictvoice?audio=height&type=1) | ✅ [haɪt] | ❌ [heɪt] |
 | hidden [🔊](http://dict.youdao.com/dictvoice?audio=hidden&type=1) | ✅ ['hɪdn] | ❌ ['haɪdn] |
 | image [🔊](http://dict.youdao.com/dictvoice?audio=image&type=1) | ✅ ['ɪmɪdʒ] | ❌ [ɪ'meɪdʒ] |