add snowflake widget

[yoper12]

This pull request updates the index.html layout to improve content structure and add new features. The most significant changes include adding a new embedded iframe, improving the layout for responsiveness and clarity, and making minor code formatting improvements.

Layout and Feature Enhancements:

• Added a new embedded iframe for Snowflake from Tor Project, allowing users to access the Snowflake service directly from the page.
• Grouped the YouTube and Snowflake iframes into a new flex container with improved wrapping and sizing for better responsive design.
• Assigned a unique id (YouTubevideoplayer) to the YouTube iframe and updated related CSS to target this ID for layout purposes. [1] [2]

Code Formatting and Readability:

• Reformatted long HTML attribute lines for better readability, including the favicon and image src attributes. [1] [2]
• Improved the readability of the main descriptive text block by splitting long lines.

[Copilot]

Pull Request Overview

This pull request enhances the index.html layout by adding a Snowflake widget from Tor Project and improving the overall content structure for better responsiveness. The changes focus on embedding new functionality while maintaining clean code formatting.

• Added Snowflake widget iframe for Tor Project integration
• Restructured iframe layout with flex container for improved responsive design
• Enhanced code readability through better line formatting and attribute organization

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[Copilot]

The Snowflake iframe is missing required accessibility attributes. Add a title attribute to describe the iframe's purpose for screen readers.

Suggested change

	scrolling="no"></iframe>
	title="Tor Snowflake proxy embed" scrolling="no"></iframe>

[Copilot]

The frameborder attribute is deprecated in HTML5. Use CSS border: none; instead or remove it since modern browsers default to no border.

Suggested change

	<iframe src="https://snowflake.torproject.org/embed.html" width="320" frameborder="0" class="kafel"
	<iframe src="https://snowflake.torproject.org/embed.html" width="320" class="kafel"

[Copilot]

The frameborder attribute is deprecated in HTML5. Use CSS border: none; instead or remove it since modern browsers default to no border.

Suggested change

	id="YouTubevideoplayer" frameborder="0" class="kafel"
	allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
	referrerpolicy="no-referrer" allowfullscreen>
	</iframe>
	<iframe src="https://snowflake.torproject.org/embed.html" width="320" frameborder="0" class="kafel"
	id="YouTubevideoplayer" class="kafel"
	allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
	referrerpolicy="no-referrer" allowfullscreen>
	</iframe>
	<iframe src="https://snowflake.torproject.org/embed.html" width="320" class="kafel"