feat: do not re-index an image if it was renamed

[yurijmikhalevich]

Compute and store image hashes, and add logic to handle image renaming properly.

[prayas7102]

I'd like to work on this issue, can you please assign me this issue? I've already made a draft PR with all the changes summarized in the description of the PR : #143

[prayas7102]

@yurijmikhalevich I've marked the PR ready for review.

[yurijmikhalevich]

@prayas7102, thank you for reaching out! Assigned. I'll check out the PR later when I have some time.

[Kaos599]

hey @yurijmikhalevich can i take this up?

[Kaos599]

@yurijmikhalevich I have tried implementing this functionality with PR #218

Can you please review the PR and let me know about the feedback?

[yurijmikhalevich]

Hi @Kaos599! 👋 Thank you for reaching out and for preparing this PR! 🙌 It's a great start, but there is more to be done on it. Please see my comments on the PR and let me know if I can help with anything!