celestiaorg/docs

AI Summary: Update the Celestia documentation site to replace all instances of 'rollkit.dev' with 'ev.xyz'. This involves finding all occurrences of the old link within the markdown files and replacing them with the new link, ensuring the updated links are functional and correctly formatted according to the project's link format guidelines.

AI Summary: Update the Celestia documentation website to include the provided QuickNode public URLs for both the Mocha and Mainnet Beta networks. This involves adding the URLs to the relevant section of the documentation, likely within the community resources or a dedicated endpoints section. The update should be clear, concise, and easy for users to find.