Add alternative 'SQL' Pronunciation

See https://softwareengineering.stackexchange.com/questions/8588/whats-the-history-of-the-non-official-pronunciation-of-sql

README.md

@@ -64,7 +64,7 @@
 | san jose [🔊](http://dict.youdao.com/dictvoice?audio=san%20jose&type=1) | ✅ [sænhəu'zei] | ❌ [sæn'ju:s] |
 | safari [🔊](http://dict.youdao.com/dictvoice?audio=safari&type=1) | ✅ [sə'fɑːrɪ] | ❌ [sæfərɪ] |
 | scheme [🔊](http://dict.youdao.com/dictvoice?audio=scheme&type=1) | ✅ [skiːm] | ❌ [s'kæmə] |
-| SQL | ✅ [ˈsiːkwəl] | |
+| SQL | ✅ [ˈsiːkwəl]/[ˈesˈkjuːˈel] | |
 | sudo | ✅ ['suːduː] | |
 | suite [🔊](http://dict.youdao.com/dictvoice?audio=suite&type=1) | ✅ [swiːt] | ❌ [sjuːt] |
 | typical [🔊](http://dict.youdao.com/dictvoice?audio=typical&type=1) | ✅ ['tɪpɪkl] | ❌ ['taɪpɪkəl] |