Add comprehensive README

README.md

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+```markdown
+# Python Space Invaders
+
+## Overview
+Python Space Invaders is a classic arcade game implemented in Python. The game involves a player controlling a spaceship at the bottom of the screen, moving left and right to shoot at descending alien invaders. The objective is to eliminate all the invaders before they reach the bottom.
+
+## Features
+- Classic Space Invaders gameplay
+- Collision detection between the player and invaders/lasers
+- Configuration file for customizable settings
+- Exception handling for robust error management
+- Localization support for multiple languages
+- Classes for game text rendering, objects management, and window operations
+
+## Installation Instructions
+To install and run Python Space Invaders on your local machine, follow these steps:
+
+1. Make sure you have Python installed on your system. You can download it from [python.org](https://www.python.org/downloads/).
+
+2. Clone the repository to your local machine:
+
+   ```bash
+   git clone https://github.com/Yuriy/pyspaceinvaders.git
+   cd pyspaceinvaders
+   ```
+
+3. Install the required dependencies. The project uses `pygame` for rendering the game:
+
+   ```bash
+   pip install pygame
+   ```
+
+4. Run the game:
+
+   ```bash
+   python pyspaceinvaders.py
+   ```
+
+## Usage Examples
+
+### Running the Game
+After installing the necessary dependencies, you can start the game with:
+
+```bash
+python pyspaceinvaders.py
+```
+
+### Example Snippet
+Here is how you can import and utilize the collision detection module:
+
+```python
+from pyspaceinvaders_collision import detect_collision
+
+# Example usage of collision detection
+if detect_collision(player_laser, alien):
+    alien.destroy()
+```
+
+## Code Summary
+The code is organized into various Python files, each handling specific aspects of the game:
+
+- **pyspaceinvaders.py**: The main entry point of the game.
+- **pyspaceinvaders_collision.py**: Contains functions related to collision detection.
+- **pyspaceinvaders_conf.py**: Handles configuration settings.
+- **pyspaceinvaders_exception.py**: Provides exception handling and the `Oops` exception class.
+- **pyspaceinvaders_game.py**: The top-level game logic is managed here.
+- **pyspaceinvaders_game_text.py**: Manages game-specific text rendering.
+- **pyspaceinvaders_language.py**: Handles translations and localization.
+- **pyspaceinvaders_lib.py**: Contains utility functions.
+- **pyspaceinvaders_objects.py**: Defines the game object classes such as player, aliens, etc.
+- **pyspaceinvaders_text.py**: Generic text rendering classes.
+- **pyspaceinvaders_window.py**: Manages window-related operations specific to Space Invaders.
+
+## Contributing Guidelines
+We welcome contributions! Follow these steps to contribute:
+
+1. Fork the repository.
+2. Create a new branch: `git checkout -b my-branch`
+3. Make your changes and commit them: `git commit -am 'Add some feature'`
+4. Push to the branch: `git push origin my-branch`
+5. Submit a pull request.
+
+Please ensure your code adheres to the existing style and includes proper documentation.
+
+## License
+This project is licensed under the GNU General Public License Version 2 (GPL2). See the [LICENSE](LICENSE) file for details.
+```