Merge 2b2c37a4e2 into 35d21565a9

* Add files via upload

* Update _config.yml

* Add files via upload

* Update default.html

* Update _config.yml

* Update default.html

* Update _config.yml

* Update default.html

* Update default.html

* Update default.html

* Update default.html

* Update default.html

* Delete _layout directory

* Update _config.yml

* Add files via upload

* Update head-custom.html

* Delete _includes/head-custom-google-analytics.html

* Update _config.yml

* Update _config.yml

_includes/head-custom.html

@@ -0,0 +1,9 @@
+<!-- start custom head snippets, customize with your own _includes/head-custom.html file -->
+
+<!-- Setup Google Analytics -->
+
+
+<!-- You can set your favicon here -->
+<link rel="shortcut icon" type="image/x-icon" href="{{ '/favicon.ico' | relative_url }}">
+
+<!-- end custom head snippets -->

books/free-programming-books-th.md

@@ -7,7 +7,7 @@
 * [Java](#java)
 * [PHP](#PHP)
 * [Python](#python)
-
+* [Ruby](#ruby)
 
 ### Apache Spark
 
@@ -47,3 +47,7 @@
 ### Python
 
 * [Python ๑๐๑](https://www.cp.eng.chula.ac.th/books/python101/) - กิตติภณ พละการ, กิตติภพ พละการ, สมชาย ประสิทธิ์จูตระกูล, สุกรี สินธุภิญโญ
+
+### Ruby
+
+* [ภาษา Ruby](https://marcuscode.com/lang/ruby) - MarcusCode