Restructure Project and Add Unit Tests

[kemalcanbora]

Restructure Project and Add Unit Tests

Summary of Changes

This merge request introduces several significant changes to improve the project structure, testability, and overall code quality of the rename-pvc tool.

Key Changes

1. Project Restructuring:

   • Separate package (pkg/renamepvc) to few little files like helpers.go, options.goetc.

2. Unit Tests:

   • Updated unit tests for the renamepvc package
   • Added a basic unit test for the main package

3. Code Refactoring:

   • Enhanced code organization for better readability and maintainability
   • Functions that violated the single responsibility principle have been split into smaller pieces.

Benefits

• Improved project structure allows for better separation of concerns
• Increased test coverage enhances reliability and makes future changes safer
• Refactored code is more maintainable and easier to understand

To run the tests:

go test ./...