Add TestView.swift for learning contribution workflow

[kirtidhwajpatra]

Test Contribution for Learning GitHub Workflow

This is a test pull request created as part of learning the GitHub contribution workflow (fork, branch, commit, pull request).

What's included:

• A simple SwiftUI test view file (TestView.swift)
• Demonstrates basic SwiftUI components: Text, VStack, and Button
• Includes preview provider for SwiftUI canvas

Purpose:

This PR is intended for educational purposes to practice:

• Forking a repository
• Creating a feature branch
• Making commits
• Opening a pull request
• Following proper contribution workflow

Note: This is a learning exercise. Please feel free to provide feedback or close this PR if not needed. Thank you for maintaining this great SwiftUI resource!