Summary: DeepAI adds 100MB file upload limit and errors

Why It Matters: The platform is setting clear technical boundaries for file handling. This suggests they are managing server load or preparing for more robust file-based AI features.

What Changed:

• Added a maximum file size limit of 100MB.
• Added error messages for unsupported file types.
• Added a notification for unsuccessful uploads.
• Updated social media link fragments in the footer.