Add Skill Progress Export (CSV/JSON) Functionality

[Gunjan10-droid]

Issue Description

Summary

Add an option for users to export their tracked skills and progress in CSV and JSON formats. This will allow users to back up their data, analyze progress externally, or migrate between devices.

Motivation

Currently, users can track their skill progress within the application but cannot export their data. Export functionality improves usability and data portability.

Proposed Changes

• Add an Export Progress button in the settings/profile page.
• Support exporting in:
• CSV
• JSON
• Include:
• Skill name
• Category
• Current progress
• Target level
• Last updated date
• Handle empty data gracefully.
• Show a success/error notification after export.

[Gunjan10-droid]

@dreynox could you assign me this issue for ECSOC26?

[dreynox]

Hi @Gunjan10-droid , assigned!

[dreynox]

Hi @Gunjan10-droid , it's been a while since i've assigned this issue to you, please solve this issue & open a PR so i can go ahead and merge it if it meets the requirements, or else I will assign this issue to someone else.

[M0izz]

@dreynox I would like to work on this issue , you can assign me under ECSoC26 Label