Refactor project structure and update configurations for State Corp backend

- Updated project description in __init__.py
- Enhanced .gitignore to exclude additional data files
- Modified User model to remove first_name and last_name fields
- Improved instance save method in services.py to include updated_at field
- Added API tokens to .env.example for external services
- Cleaned up test files for better readability
- Updated Dockerfile and docker-compose.yml for improved setup
- Revised README.md to reflect project changes and added changelog

tests/__init__.py

@@ -1,5 +1,5 @@
 """
-Test suite for mostovik-backend project
+Test suite for state-corp-backend project
 
 This package contains all tests organized by application structure.
 """