Class_autoloading translate into Russian

[ArduanovDanil]

Q	A
Is bugfix?	❌
New feature?	✔️
Breaks BC?	❌
Fixed issues	❌

[what-the-diff]

PR Summary

• New Guide File Added
  A new information guide file, titled autoloading.md has been added in the guide/ru/concept directory.

• Content Expansion
  The new autoloading.md file includes thorough explanations of Yii's utilization of Composer for auto-loading classes. It also provides detailed guidelines on how to set up the autoloader for your application.

• Added Resources
  For further information and clarification, links to the PSR-4: Autoloader and Composer guide on autoloading have been conveniently incorporated into the autoloading.md document.

[samdark]

Thanks.