Blog API: Fix locale, routes and psalm errors

[vjik]

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

[what-the-diff]

PR Summary

• Enhanced Code Formatting Rules
  Created a configuration file .editorconfig to standardize and improve formatting rules for PHP files located in the blog-api folder. Also, updated the system to retain whitespaces at the end of .md files.

• Simplifying Container Management and Test Execution
  Introduced a Makefile in the blog-api folder that provides commands to simplify interactions with Docker, execute composer commands, run Yii commands, and conduct tests.

• Improved URL Management
  Updated router.php in the blog-api/config/common/di directory. Introduced a new class called UrlGenerator to streamline URL generation and made enhancements to the class properties and methods.

• Locale Setting Event Handling
  Added events.php in the blog-api/config/web directory to handle the locale setting event (SetLocaleEvent), improving localization features.

• Expanded Configuration Options
  Modified the configuration.php file in the blog-api directory. Added a events-web key for more extensive configuration possibilities.

• Removed Redundant Bootstrap Installation
  Updated the Makefile in the blog directory to remove the redundant command of npm for installing Bootstrap 5.3.1.