Merge pull request #8 from maslinych/feature/docs

docs/rationale: markup fixes
use correct links syntax in docs
Merge pull request #9 from jamel/master

use correct links syntax in docs
Update intro.ru.md
Merge pull request #10 from elwedo/patch-1

Update intro.ru.md
Reference.ru.md: proofreading
Reference.ru.md: proofreading
Merge pull request #11 from ignovak/master

Proofreading for reference.ru.md
fix tables