reorganize files (#5199)

* reorganize files

1. make it easier to find files
2. reduce scrolling to get to README on main view of repo

* remove tr.txt again

books/free-programming-books-my.md

@@ -0,0 +1,28 @@
+### Index
+
+* [HTML](#meta-lists)
+* [Linux](#linux)
+* [Python](#python)
+* [Web Development](#web-development)
+
+
+### Linux
+
+* [Ubuntu Linux for You](http://eimaung.com/ubuntu-for-you) - Ei Maung
+
+
+### HTML
+
+* [HTML](https://books.saturngod.net/HTML5/) - Saturngod
+
+
+### Python
+
+* [Programming Basic For Beginner](http://books.saturngod.net/programming_basic/) - Saturngod
+
+
+### Web Development
+
+* [Professional Web Developer](http://eimaung.com/professional-web-developer) - Ei Maung
+* [Rockstar Developer](http://eimaung.com/rockstar-developer) - Ei Maung
+