Feat: Secret vault feature

[DeveloperAmrit]

Describe the feature

A secret vault idea

1. A separate page for a secret vault, there will be a secret hidden button to open it and it will have a password
2. A key will be generated from the password and it will be used to encrypt docs, images, videos in that vault.
3. They key will never be stored, it will be generated, used and deleted.
4. If user changes his password, all objects will be re-encrypted with the new key.

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After implementation.

Record

• I agree to follow this project's Code of Conduct
• I want to work on this issue

[github-actions]

👋 Thanks for opening this issue! The maintainers will review it shortly. Till then, do not open any PR. This is a strict rule we like to follow around here :)

[DeveloperAmrit]

Hi maintainers, i would love to work on this issue. Please assign me this