Dev

[Luzin7]

This pull request removes outdated documentation files, updates error handling and configuration logic, and refines type-checking and dependency installation processes. Below is a summary of the most important changes:

Documentation Cleanup

• Removed .github/copilot-instructions.md, which contained outdated project architecture and development guidelines.
• Deleted DEVELOPMENT.md, which outlined workflows and CI/CD processes that are no longer relevant.

Error Handling Improvements

• Enhanced error messages in DependencyInstallerServiceImpl to include lowercase dependency names for better debugging clarity.

Configuration Logic Adjustments

• Updated ProjectSetupServiceImpl to ensure TypeScript dependencies are installed only when the stack is not "Frontend."
• Fixed a path issue in ProjectSetupServiceImpl by standardizing the package.json file location check for both development and production environments.

Minor Updates

• Improved the success message in src/app.ts to enhance user feedback during project setup.