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

README.md

@@ -26,105 +26,105 @@ Please read [CONTRIBUTING](/CONTRIBUTING.md). If you're new to GitHub, [welcome]
 
 ### Books
 
-[English](free-programming-books.md)
+[English](books/free-programming-books.md)
 
 #### Other Languages
 
-+ [Arabic / al arabiya / العربية](free-programming-books-ar.md)
++ [Arabic / al arabiya / العربية](books/free-programming-books-ar.md)
-+ [Azerbaijani / Азәрбајҹан дили / آذربايجانجا ديلي](free-programming-books-az.md)
++ [Azerbaijani / Азәрбајҹан дили / آذربايجانجا ديلي](books/free-programming-books-az.md)
-+ [Bengali / বাংলা](free-programming-books-bl.md)
++ [Bengali / বাংলা](books/free-programming-books-bl.md)
-+ [Bulgarian / български](free-programming-books-bg.md)
++ [Bulgarian / български](books/free-programming-books-bg.md)
-+ [Burmese / မြန်မာဘာသာ](free-programming-books-my.md)
++ [Burmese / မြန်မာဘာသာ](books/free-programming-books-my.md)
-+ [Chinese / 中文](free-programming-books-zh.md)
++ [Chinese / 中文](books/free-programming-books-zh.md)
-+ [Czech / čeština / český jazyk](free-programming-books-cs.md)
++ [Czech / čeština / český jazyk](books/free-programming-books-cs.md)
-+ [Danish / dansk](free-programming-books-dk.md)
++ [Danish / dansk](books/free-programming-books-dk.md)
-+ [Dutch / Nederlands](free-programming-books-nl.md)
++ [Dutch / Nederlands](books/free-programming-books-nl.md)
-+ [Estonian / eesti keel](free-programming-books-et.md)
++ [Estonian / eesti keel](books/free-programming-books-et.md)
-+ [Finnish / suomi / suomen kieli](free-programming-books-fi.md)
++ [Finnish / suomi / suomen kieli](books/free-programming-books-fi.md)
-+ [French / français](free-programming-books-fr.md)
++ [French / français](books/free-programming-books-fr.md)
-+ [German / Deutsch](free-programming-books-de.md)
++ [German / Deutsch](books/free-programming-books-de.md)
-+ [Greek / ελληνικά](free-programming-books-gr.md)
++ [Greek / ελληνικά](books/free-programming-books-gr.md)
-+ [Hungarian / magyar / magyar nyelv](free-programming-books-hu.md)
++ [Hungarian / magyar / magyar nyelv](books/free-programming-books-hu.md)
-+ [Indonesian / Bahasa Indonesia](free-programming-books-id.md)
++ [Indonesian / Bahasa Indonesia](books/free-programming-books-id.md)
-+ [Italian / italiano](free-programming-books-it.md)
++ [Italian / italiano](books/free-programming-books-it.md)
-+ [Japanese / 日本語](free-programming-books-ja.md)
++ [Japanese / 日本語](books/free-programming-books-ja.md)
-+ [Korean / 한국어 [韓國語]](free-programming-books-ko.md)
++ [Korean / 한국어 [韓國語]](books/free-programming-books-ko.md)
-+ [Norwegian / Norsk](free-programming-books-no.md)
++ [Norwegian / Norsk](books/free-programming-books-no.md)
-+ [Persian / Farsi (Iran) / فارسى](free-programming-books-fa_IR.md)
++ [Persian / Farsi (Iran) / فارسى](books/free-programming-books-fa_IR.md)
-+ [Polish / polski / język polski / polszczyzna](free-programming-books-pl.md)
++ [Polish / polski / język polski / polszczyzna](books/free-programming-books-pl.md)
-+ [Portuguese (Brazil)](free-programming-books-pt_BR.md)
++ [Portuguese (Brazil)](books/free-programming-books-pt_BR.md)
-+ [Portuguese (Portugal)](free-programming-books-pt_PT.md)
++ [Portuguese (Portugal)](books/free-programming-books-pt_PT.md)
-+ [Romanian (Romania) / limba română / român](free-programming-books-ro.md)
++ [Romanian (Romania) / limba română / român](books/free-programming-books-ro.md)
-+ [Russian / Русский язык](free-programming-books-ru.md)
++ [Russian / Русский язык](books/free-programming-books-ru.md)
-+ [Slovak / slovenčina](free-programming-books-sk.md)
++ [Slovak / slovenčina](books/free-programming-books-sk.md)
-+ [Spanish / español / castellano](free-programming-books-es.md)
++ [Spanish / español / castellano](books/free-programming-books-es.md)
-+ [Swedish / Svenska](free-programming-books-se.md)
++ [Swedish / Svenska](books/free-programming-books-se.md)
-+ [Tamil / தமிழ்](free-programming-books-ta.md)
++ [Tamil / தமிழ்](books/free-programming-books-ta.md)
-+ [Thai / ไทย](free-programming-books-th.md)
++ [Thai / ไทย](books/free-programming-books-th.md)
-+ [Turkish / Türkçe](free-programming-books-tr.md)
++ [Turkish / Türkçe](books/free-programming-books-tr.md)
-+ [Ukrainian / Українська](free-programming-books-ua.md)
++ [Ukrainian / Українська](books/free-programming-books-ua.md)
 
 
 ### Cheat Sheets
 
-+ [All Languages](free-programming-cheatsheets.md)
++ [All Languages](more/free-programming-cheatsheets.md)
 
 
 ### Free Online Courses
 
-+ [Bulgarian / български](free-courses-bg.md)
++ [Bulgarian / български](courses/free-courses-bg.md)
-+ [English](free-courses-en.md)
++ [English](courses/free-courses-en.md)
-+ [Finnish](free-courses-fi.md)
++ [Finnish](courses/free-courses-fi.md)
-+ [French / français](free-courses-fr.md)
++ [French / français](courses/free-courses-fr.md)
-+ [German / Deutsch](free-courses-de.md)
++ [German / Deutsch](courses/free-courses-de.md)
-+ [Hindi / हिंदी](free-courses-hi.md)
++ [Hindi / हिंदी](courses/free-courses-hi.md)
-+ [Indonesian / Bahasa Indonesia](free-courses-id.md)
++ [Indonesian / Bahasa Indonesia](courses/free-courses-id.md)
-+ [Italian / italiano](free-courses-it.md)
++ [Italian / italiano](courses/free-courses-it.md)
-+ [Khazakh / қазақша](free-courses-kk.md)
++ [Khazakh / қазақша](courses/free-courses-kk.md)
-+ [Korean / 한국어 [韓國語]](free-courses-ko.md)
++ [Korean / 한국어 [韓國語]](courses/free-courses-ko.md)
-+ [Persian / Farsi (Iran) / فارسى](free-courses-fa_IR.md)
++ [Persian / Farsi (Iran) / فارسى](courses/free-courses-fa_IR.md)
-+ [Polish / polski / język polski / polszczyzna](free-courses-pl.md)
++ [Polish / polski / język polski / polszczyzna](courses/free-courses-pl.md)
-+ [Portuguese (Brazil)](free-courses-pt_BR.md)
++ [Portuguese (Brazil)](courses/free-courses-pt_BR.md)
-+ [Portuguese (Portugal)](free-courses-pt_PT.md)
++ [Portuguese (Portugal)](courses/free-courses-pt_PT.md)
-+ [Russian / Русский язык](free-courses-ru.md)
++ [Russian / Русский язык](courses/free-courses-ru.md)
-+ [Spanish / español / castellano](free-courses-es.md)
++ [Spanish / español / castellano](courses/free-courses-es.md)
-+ [Thai / ภาษาไทย](free-courses-th.md)
++ [Thai / ภาษาไทย](courses/free-courses-th.md)
-+ [Turkish / Türkçe](free-courses-tr.md)
++ [Turkish / Türkçe](courses/free-courses-tr.md)
-+ [Ukrainian / Українська](free-courses-ua.md)
++ [Ukrainian / Українська](courses/free-courses-ua.md)
-+ [Vietnamese / Tiếng Việt](free-courses-vi.md)
++ [Vietnamese / Tiếng Việt](courses/free-courses-vi.md)
 
 
 ### Interactive Programming Resources
 
-+ [English](free-programming-interactive-tutorials-en.md)
++ [English](more/free-programming-interactive-tutorials-en.md)
-+ [Russian / Русский язык](free-programming-interactive-tutorials-ru.md)
++ [Russian / Русский язык](more/free-programming-interactive-tutorials-ru.md)
 
 
 ### Problem Sets and Competitive Programming
 
-+ [Problem Sets](problem-sets-competitive-programming.md)
++ [Problem Sets](more/problem-sets-competitive-programming.md)
 
 
 ### Podcast - Screencast
 
 Free Podcasts and Screencasts:
 
-+ [Czech / čeština / český jazyk](free-podcasts-screencasts-cs.md)
++ [Czech / čeština / český jazyk](casts/free-podcasts-screencasts-cs.md)
-+ [English](free-podcasts-screencasts-en.md)
++ [English](casts/free-podcasts-screencasts-en.md)
-+ [Finnish / Suomi](free-podcasts-screencasts-fi.md)
++ [Finnish / Suomi](casts/free-podcasts-screencasts-fi.md)
-+ [Polish / polski / język polski / polszczyzna](free-podcasts-screencasts-pl.md)
++ [Polish / polski / język polski / polszczyzna](casts/free-podcasts-screencasts-pl.md)
-+ [Portuguese (Brazil)](free-podcasts-screencasts-pt_BR.md)
++ [Portuguese (Brazil)](casts/free-podcasts-screencasts-pt_BR.md)
-+ [Portuguese (Portugal)](free-podcasts-screencasts-pt_PT.md)
++ [Portuguese (Portugal)](casts/free-podcasts-screencasts-pt_PT.md)
-+ [Russian / Русский язык](free-podcasts-screencasts-ru.md)
++ [Russian / Русский язык](casts/free-podcasts-screencasts-ru.md)
-+ [Spanish / español / castellano](free-podcasts-screencasts-es.md)
++ [Spanish / español / castellano](casts/free-podcasts-screencasts-es.md)
-+ [Swedish / Svenska](free-podcasts-screencasts-se.md)
++ [Swedish / Svenska](casts/free-podcasts-screencasts-se.md)
-+ [Turkish / Türkçe](free-podcasts-screencasts-tr.md)
++ [Turkish / Türkçe](casts/free-podcasts-screencasts-tr.md)
 
 
 ### Programming Playgrounds
 
-+ [Chinese / 中文](free-programming-playgrounds-zh.md)
++ [Chinese / 中文](more/free-programming-playgrounds-zh.md)
-+ [English](free-programming-playgrounds.md)
++ [English](more/free-programming-playgrounds.md)
 
 
 ## License