Add Support for File Uploads in Admin and User Feeds (GSoC 2024)

[chandel-aman]

Is your feature request related to a problem? Please describe.
Current file operations for admin and user feed management require updates to support MinIO as the storage solution.

Describe the solution you'd like
Proposed Solution

1. Enable full CRUD (Create, Read, Update, Delete) functionality for admin and user feed management.
2. Integrate file upload support to handle file creation and deletion.
3. Revise existing mutations and queries to reflect these updates.

Additional context
This update is part of GSoC 2024: Improve file uploads and security.

[chandel-aman]

@aashimawadhwa please assign

[github-actions]

This issue did not get any activity in the past 10 days and will be closed in 180 days if no update occurs. Please check if the develop branch has fixed it and report again or close the issue.