Add new component colorPicker

[ecarreras]

This pull request introduces a new ColorPicker widget to the codebase. The changes include adding the ColorPicker class, integrating it into the widget factory, and creating tests for the new widget.

Introduction of ColorPicker widget:

• src/ColorPicker.ts: Added a new ColorPicker class that extends Char and includes a showText property.

Integration into widget factory:

• src/WidgetFactory.ts: Imported the ColorPicker class and added a new case for colorPicker in the widget creation logic. [1] [2]

Update to main index:

• src/index.ts: Imported and exported the ColorPicker class to make it available for use throughout the application. [1] [2]

Testing:

• src/spec/ColorPicker.spec.ts: Created tests for the ColorPicker widget to verify its properties and behavior, including the showText property.