* an intro course for linux beginners from jadi
* blockchain section added with a course from youtube
* network section added with a course from youtube
* persian podcast/screencast page created
* persian section added to podcasts and screencasts
* minor typo fixed for github actions
* new lines added for the linter
* typo fixed for the linter
Co-authored-by: Emad Ehsanrad <emad.ehsanrad@gmail.com>
