added Go lang to courses-th.md (#5893)

* added Go lang to courses-th.md

* hot fixed blank line

* change to book-th.md

* Change content to one book

* remove go in free-courses-th.md

books/free-programming-books-th.md

@@ -1,10 +1,17 @@
 ### Index
 
+* [Go](#go)
 * [IoT (internet of things)](#iot-internet-of-things)
 * [Java](#java)
 * [Python](#python)
 
 
+### Go
+
+* [ภาษา Go ตอน 1 ติดตั้ง และ Run Hello World](https://medium.com/odds-team/%E0%B8%AA%E0%B8%A3%E0%B8%B8%E0%B8%9B%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%A3%E0%B8%B5%E0%B8%A2%E0%B8%99%E0%B8%9E%E0%B8%B7%E0%B9%89%E0%B8%99%E0%B8%90%E0%B8%B2%E0%B8%99%E0%B8%A0%E0%B8%B2%E0%B8%A9%E0%B8%B2-go-%E0%B9%81%E0%B8%9A%E0%B8%9A-step-by-step-%E0%B8%88%E0%B8%B2%E0%B8%81-course-pre-ultimate-go-by-p-yod-%E0%B8%95%E0%B8%AD%E0%B8%99-1-%E0%B8%95%E0%B8%B4%E0%B8%94%E0%B8%95%E0%B8%B1%E0%B9%89%E0%B8%87-%E0%B9%81%E0%B8%A5%E0%B8%B0-d9ac7913e9a4) - 
+Chaiyarin Niamsuwan
+
+
 ### IoT (internet of things)
 
 * [Introduction to Wireless Sensor Networks-แนะนำเครือข่ายเซนเซอร์ไร้สาย](https://www.nectec.or.th/news/news-public-document/introwsn.html) - ผศ.ดร.วรรณรัช สันติอมรทัต และ ผศ.ดร.สกุณา เจริญปัญญาศักดิ์