feat: add pin/unpin option to keep important tasks at top

[BhoomiMahna]

Untitled.video.-.Made.with.Clipchamp.mp4

Description

This PR adds a pin/unpin feature to allow important tasks to stay at the top.

Notes

This is my first contribution to this repository.

[github-actions]

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[its-me-abhishek]

@BhoomiMahna the PR looks fine but is built on top of docker-prod which is not the latest branch, so there are a lot of conflicts, please move your commit to a fresh branch, based off main, on your fork, and open up a new PR for this.