Adding a Spanish version to the list of translations

Author: paolocarrasco

README.md

@@ -1479,6 +1479,7 @@
   - :jp: **Japanese**: [mitsuruog/javacript-style-guide](https://github.com/mitsuruog/javacript-style-guide)
   - :br: **Portuguese**: [armoucar/javascript-style-guide](https://github.com/armoucar/javascript-style-guide)
   - :cn: **Chinese**: [adamlu/javascript-style-guide](https://github.com/adamlu/javascript-style-guide)
+  - :es: **Spanish**: [paolocarrasco/javascript-style-guide](https://github.com/paolocarrasco/javascript-style-guide)
 
 ## <a name='guide-guide'>The JavaScript Style Guide Guide</a>