* podcast and course sources were added for turkish and english content.
* alphabetic order for the course of Turkish.
* marking configuration were edited and it's valid for the project.
* stackoverflow podcast link was changed.
* turkish podcast link was changed. turkish course content order was changed. html-css section merged. the name of two section changed as ide-editor and version control systems.
* trendyol podcast link changed.
* removing trailing slash of the trendyol podcast link.
1e7b8406f4