💄 Improve event claims and session handling

Refactor event claims controller to enhance event lookup logic and update session controller to improve redirect behavior after sign-in. :sparkles: Update user avatar handling and database schema Enhance avatar management by renaming column and adding logic to download and display avatars from Google. Improve user experience with updated avatar URL handling. :lipstick: Update footer layout and account links Refactor footer to improve layout and add account links for logged-in users. :lipstick: Update event dashboard UI and styling Adjust padding and text sizes for better responsiveness and visual appeal. :lipstick: Update delete button visibility for touch devices Enhance UI by showing delete buttons on touch devices and hiding them on desktop to improve user experience. :speech_balloon: Update contact email address Change the contact email from support@commanigy.com to support@knipsmig.com for accurate communication. :lipstick: Update upload management text and event stats layout Enhance clarity in upload management instructions and adjust event stats section for improved visual hierarchy.