Migrated components to shadcn UI

[PsychoSanchez]

This pull request includes several updates to the web-activity-tracker project. The most important changes include updating the Node.js version in the GitHub Actions workflow, enhancing the README file, adding a new components.json configuration, updating dependencies in package.json, and refactoring components to use new UI elements.

Workflow and Configuration Updates:

• Updated Node.js version to 23.1.0 in the GitHub Actions workflow file .github/workflows/webpack.yml. [1] [2] [3]
• Added components.json for ShadcnUI configuration.

Documentation Improvements:

• Enhanced the README.md with a new project name, updated descriptions, improved privacy section, and reorganized development instructions.

Dependency Management:

• Updated package.json to fix versions of development dependencies and add new dependencies for Radix UI components and other utilities. [1] [2]

Component Refactoring:

• Refactored components to use new UI elements from ShadcnUI and Radix UI libraries, replacing custom components and icons. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12]

These changes collectively enhance the project's documentation, configuration, and user interface consistency.