feat(components): add Container component

[emre-turan]

Description

This pull request introduces a new Container component to the shadcn/ui library. The Container component is a flexible and customizable layout element designed to improve the consistency and responsiveness of page layouts across the application.

What the Container component does:

1. Provides a structured way to contain and align content within a page.
2. Offers multiple layout variants to suit different design needs:
   • fullMobileConstrainedPadded: Full width on mobile, constrained on larger screens
   • constrainedPadded: Constrained width on all screen sizes
   • fullMobileBreakpointPadded: Full width on mobile, uses container class on larger screens
   • breakpointPadded: Uses container class on all screen sizes
   • narrowConstrainedPadded: Constrained width with an additional inner constraint for narrow content
3. Implements responsive padding and max-width settings using Tailwind classes.
4. Supports rendering as a fragment instead of a div when needed.
5. Allows for easy customization through Tailwind classes and variant props.

Why it's valuable:

1. Consistency: Provides a standardized way to handle layout containment across the application, ensuring design consistency.
2. Flexibility: The multiple variants allow developers to easily adapt the container to different layout needs without writing custom CSS.
3. Responsiveness: Built-in responsive behavior ensures content looks great on all screen sizes.
4. Developer Experience: Simplifies the process of creating well-structured, responsive layouts, reducing boilerplate code.
5. Accessibility: Implements best practices for layout structure, contributing to better overall accessibility.
6. Integration: Designed to work seamlessly with other shadcn/ui components and follows the project's coding standards and patterns.
7. Customization: Easy to extend or modify for specific project needs while maintaining a consistent base.

This component fills a gap in the current shadcn/ui offerings by providing a foundational layout component that can be used across various pages and components. It aligns with the library's goals of providing accessible, customizable, and developer-friendly UI components.

[vercel]

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