Added documentation for setting up automated tests in TypeScript projects.

[CFIALeronB]

• Created TypeScript-AutomatedTesting.md with comprehensive guidelines on setting up Vitest and @testing-library/react.
• Included detailed instructions for configuring vitest.config.ts and src/setupTests.ts.
• Outlined steps for writing robust unit tests for React components.
• Described best practices for structuring tests, performing assertions, and handling user interactions.