Added eslint stage

[MartynovIvan]

Pull Request Summary

Title: Add ESLint Configuration and GitHub Actions Workflows

This update includes:

• ESLint Setup: Added eslint.config.mjs for JavaScript, TypeScript, and React linting. Updated package.json with necessary ESLint dependencies.
• Continuous Integration: Created .github/workflows/webpack.yml to run ESLint and build the project using Webpack automatically.
• Issue Templates: Introduced a feature request template to standardize contributions.
• Git Ignore: Updated .gitignore to exclude build artifacts and IDE-specific files.
• Documentation: Modified README.md with new instructions for running the server and building the project.

[MartynovIvan]