Implement Monkey Console Application

## Requirements
- Create a C# console application.
- The app should be able to:
- List all available monkeys.
- Get details for a specific monkey by name.
- Pick a random monkey.
- Use a `Monkey` model class to represent monkey data.
- Include ASCII art for visual appeal when displaying monkeys.

## Implementation Details
- Define a `Monkey` class with properties like `Name`, `Description`, and possibly `AsciiArt`.
- Store monkey data in a simple collection (e.g., a list or array).
- Implement console commands or menu options for listing, searching, and picking a random monkey.
- Display monkey details and ASCII art in the console output.
- Ensure code is clean, well-commented, and easy to extend.

## Checklist
- [ ] Define the `Monkey` model class
- [ ] Create a collection of monkey data
- [ ] Implement listing all monkeys
- [ ] Implement searching for a monkey by name
- [ ] Implement picking a random monkey
- [ ] Add ASCII art for each monkey
- [ ] Create a user-friendly console interface
- [ ] Add comments and documentation

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Labels: enhancement, good first issue