Add ComponentsKit

[mikhailChelbaev]

• Project Name: ComponentsKit
• Project URL: https://github.com/componentskit/ComponentsKit
• Project Description: A collection of reusable and fully customizable SwiftUI & UIKit components.
• Why it should be added to awesome-swift: The library provides components that can be used to speed up app development
• At least 15 stars (GitHub project)
• Support Swift 5
• Updated contents.json instead of README
• Lib is fully open sourced, written in Swift and not a wrapper over compiled lib
• Description does not say "written in Swift" or variant 🤓

[Copilot]

Pull Request Overview

Adds a new entry for the ComponentsKit library to the contents.json list of Swift UI components.

• Inserts a comma after the previous item to enable adding a new entry.
• Adds a JSON object with title, category, description, homepage, and tags for ComponentsKit.

[Copilot]

The new entry 'ComponentsKit' should be inserted in alphabetical order within the ui category so the list remains sorted.