Add lucene

Lucene is an Apache project, a Java-based indexing and search software

README.md

@@ -73,7 +73,7 @@
 | vue [🔊](http://dict.youdao.com/dictvoice?audio=vue&type=1) | ✅ [v'ju:] | ❌ [v'ju:i] |
 | width [🔊](http://dict.youdao.com/dictvoice?audio=width&type=1) | ✅ [wɪdθ] | ❌ [waɪdθ] |
 | YouTube [🔊](http://dict.youdao.com/dictvoice?audio=youtube&type=1) | ✅ ['juː'tjuːb] | ❌ ['juː'tʊbɪ] |
-
+| Lucene [🔊](http://dict.youdao.com/dictvoice?audio=lucene&type=1) | ✅ [lu'siːn] | ❌ ['lu:sən] |
 
 > 本着简单的原则, 又为了避免程序猿们出现选择困难症, '正确音标'采用了最接近有道词典音频的英式 DJ 音标, 不代表其唯一性.
 > 专业在线英语词典请参考[知乎链接:在线英语词典哪个比较好?](https://www.zhihu.com/question/19707759)