README: Add Thai translation (#68)

Author: pallat

README.md

@@ -13,5 +13,6 @@ We are aware of the following translations of this guide by the Go community.
 - **한국어 번역** (Korean): [TangoEnSkai/uber-go-style-guide-kr](https://github.com/TangoEnSkai/uber-go-style-guide-kr)
 - **日本語訳** (Japanese): [knsh14/uber-style-guide-ja](https://github.com/knsh14/uber-style-guide-ja)
 - **Traducción al Español** (Spanish): [friendsofgo/uber-go-guide-es](https://github.com/friendsofgo/uber-go-guide-es)
+- **แปลภาษาไทย** (Thai): [pallat/uber-go-style-guide-th](https://github.com/pallat/uber-go-style-guide-th)
 
 If you have a translation, feel free to submit a PR adding it to the list.