Delete: README.md

Create: terminal.md, git-bash.png, linux-open.png, linux-open-ru.png, mac-services.png, mac-settings.png, mac-terminal.png, windows-cmd.png

Update: README.md

Update: README.md

Create: win-02.png, win-03.png, win-04.png, win-05.png, win-06.png, win-07.png, win-08.png, win-09.png, win-10.1.png, win-10.png, win-11.png, win-12.png, win-13.png, win-14.png, win-15.png

Create: veracrypt.png

Create: win-17.png, win-install-01.png

Create: README.md, brew.png, hashcat.png, linux-01.png, linux-02.png, mac-01.png, mac-02.png, mac-install-00.png, mac-install-01.png, mac-install-02.png, mac-install-03.png, mac-install-04.png, mac-install-05.png, mac-install-06.png, mac-install-07.png, mac-install-08.png, mac-install-09.png, mac-settings.png, veracrypt-solution.png, win-01.png, win-16.png

Create: playwright.py

update problems_with_date_time.md

update problems_with_date_time.md

create 5.problems_with_date_time.md

update EXPLAIN_example.md

create 6.EXPLAIN_example.md

update what_is_EXPLAIN_and_how_to_use_it.md

create what_is_EXPLAIN_and_how_to_use_it.md